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Так а какой смысл так переключаться если там заведомо не может быть минимальных делителей более чем 39-значные? (45-значных быть не может, значит B1 будет увеличен впустую, и впустую потрачено время?) По моему значность делителя и величина B1 связаны не жестко: смотрите сами, ведь находятся же делители и при других значениях B1, как больше, так и меньше. Обоснование: вот 30 запусков для того же числа выше 82049548511544548685847575944819807072619055726693 с B1=11000, т.е. якобы недостаточно для обнаружения делителя, однако ни разу не потребовалось более 4721 кривых, а почти все были найдены и и до 2000 кривых:
01/05/26 11:23:35, prp25 = 9061920555519325508797997 (curve 770 stg2 B1=11000 sigma=2228788259 thread=0)
01/05/26 11:23:41, prp25 = 9061920555519325508797997 (curve 812 stg2 B1=11000 sigma=3372511243 thread=2)
01/05/26 11:23:46, prp25 = 9061920555519325508797997 (curve 603 stg2 B1=11000 sigma=1019725288 thread=2)
01/05/26 11:24:10, prp25 = 9061920555519325508797997 (curve 2959 stg2 B1=11000 sigma=3318772844 thread=1)
01/05/26 11:24:17, prp25 = 9061920555519325508797997 (curve 844 stg2 B1=11000 sigma=1007381437 thread=2)
01/05/26 11:24:19, prp25 = 9061920555519325508797997 (curve 174 stg2 B1=11000 sigma=2931826254 thread=2)
01/05/26 11:24:28, prp25 = 9061920555519325508797997 (curve 1108 stg2 B1=11000 sigma=3707636703 thread=1)
01/05/26 11:24:43, prp25 = 9061920555519325508797997 (curve 1836 stg2 B1=11000 sigma=3057412360 thread=3)
01/05/26 11:24:49, prp25 = 9061920555519325508797997 (curve 745 stg2 B1=11000 sigma=3897867965 thread=0)
01/05/26 11:24:56, prp25 = 9054322205635625129311769 (curve 818 stg2 B1=11000 sigma=3138021824 thread=0)
01/05/26 11:24:58, prp25 = 9061920555519325508797997 (curve 265 stg1 B1=11000 sigma=4116638060 thread=0)
01/05/26 11:25:05, prp25 = 9054322205635625129311769 (curve 895 stg2 B1=11000 sigma=2409389884 thread=2)
01/05/26 11:25:08, prp25 = 9061920555519325508797997 (curve 369 stg2 B1=11000 sigma=3915025911 thread=0)
01/05/26 11:25:45, prp25 = 9061920555519325508797997 (curve 4610 stg2 B1=11000 sigma=1116402364 thread=1)
01/05/26 11:25:48, prp25 = 9054322205635625129311769 (curve 306 stg2 B1=11000 sigma=3377248508 thread=0)
01/05/26 11:25:54, prp25 = 9054322205635625129311769 (curve 710 stg2 B1=11000 sigma=2242231226 thread=0)
01/05/26 11:26:02, prp25 = 9054322205635625129311769 (curve 984 stg2 B1=11000 sigma=110859984 thread=1)
01/05/26 11:26:02, prp25 = 9054322205635625129311769 (curve 4 stg2 B1=11000 sigma=1010161166 thread=1)
01/05/26 11:26:18, prp25 = 9061920555519325508797997 (curve 1921 stg2 B1=11000 sigma=2368769061 thread=0)
01/05/26 11:26:33, prp25 = 9054322205635625129311769 (curve 1851 stg1 B1=11000 sigma=125710284 thread=0)
01/05/26 11:26:40, prp25 = 9061920555519325508797997 (curve 851 stg2 B1=11000 sigma=466609663 thread=3)
01/05/26 11:26:45, prp25 = 9054322205635625129311769 (curve 642 stg2 B1=11000 sigma=2454992643 thread=2)
01/05/26 11:26:48, prp25 = 9061920555519325508797997 (curve 300 stg2 B1=11000 sigma=3514710632 thread=0)
01/05/26 11:27:27, prp25 = 9061920555519325508797997 (curve 4721 stg2 B1=11000 sigma=3073297263 thread=0)
01/05/26 11:27:35, prp25 = 9061920555519325508797997 (curve 1072 stg2 B1=11000 sigma=1304829488 thread=3)
01/05/26 11:27:44, prp25 = 9054322205635625129311769 (curve 1062 stg2 B1=11000 sigma=1085427074 thread=2)
01/05/26 11:27:55, prp25 = 9061920555519325508797997 (curve 1266 stg1 B1=11000 sigma=4156869136 thread=2)
01/05/26 11:28:01, prp25 = 9054322205635625129311769 (curve 749 stg2 B1=11000 sigma=1310695057 thread=0)
01/05/26 11:28:06, prp25 = 9061920555519325508797997 (curve 612 stg2 B1=11000 sigma=2328010584 thread=0)
01/05/26 11:28:13, prp25 = 9061920555519325508797997 (curve 901 stg2 B1=11000 sigma=2037401355 thread=1)
Так что величина B1 лишь рекомендуемая для каждой значности делителя, а не "вот прям ни-ни". И вероятно чем выше B1, тем быстрее (меньше кривых придётся проверить) найдётся конкретный делитель, потому и увеличивают. Вот например 100 запусков ECM для того же числа с B1=250000 вместо 50000:
01/05/26 10:59:51, prp25 = 9054322205635625129311769 (curve 11 stg2 B1=250000 sigma=1085692284 thread=2)
01/05/26 10:59:52, prp25 = 9061920555519325508797997 (curve 2 stg2 B1=250000 sigma=2454567377 thread=2)
01/05/26 10:59:54, prp25 = 9054322205635625129311769 (curve 13 stg2 B1=250000 sigma=802994776 thread=3)
01/05/26 10:59:55, prp25 = 9054322205635625129311769 (curve 7 stg2 B1=250000 sigma=864667320 thread=2)
01/05/26 11:00:02, prp25 = 9054322205635625129311769 (curve 65 stg2 B1=250000 sigma=668827690 thread=3)
01/05/26 11:00:04, prp25 = 9061920555519325508797997 (curve 10 stg2 B1=250000 sigma=3602597782 thread=2)
01/05/26 11:00:09, prp25 = 9061920555519325508797997 (curve 48 stg2 B1=250000 sigma=2553154689 thread=3)
01/05/26 11:00:10, prp25 = 9054322205635625129311769 (curve 10 stg2 B1=250000 sigma=3755922387 thread=2)
01/05/26 11:00:12, prp25 = 9061920555519325508797997 (curve 12 stg2 B1=250000 sigma=1073361939 thread=1)
01/05/26 11:00:14, prp25 = 9054322205635625129311769 (curve 18 stg2 B1=250000 sigma=2071262073 thread=2)
01/05/26 11:00:19, prp25 = 9054322205635625129311769 (curve 40 stg2 B1=250000 sigma=2368871630 thread=3)
01/05/26 11:00:26, prp25 = 9061920555519325508797997 (curve 67 stg2 B1=250000 sigma=4281936613 thread=0)
01/05/26 11:00:29, prp25 = 9054322205635625129311769 (curve 21 stg2 B1=250000 sigma=2505389792 thread=0)
01/05/26 11:00:35, prp25 = 9061920555519325508797997 (curve 57 stg2 B1=250000 sigma=2199010321 thread=2)
01/05/26 11:00:38, prp25 = 9054322205635625129311769 (curve 24 stg2 B1=250000 sigma=2061363308 thread=0)
01/05/26 11:00:40, prp25 = 9054322205635625129311769 (curve 12 stg2 B1=250000 sigma=3316003293 thread=2)
01/05/26 11:00:43, prp25 = 9054322205635625129311769 (curve 22 stg2 B1=250000 sigma=211556084 thread=3)
01/05/26 11:00:49, prp25 = 9061920555519325508797997 (curve 54 stg2 B1=250000 sigma=610144881 thread=2)
01/05/26 11:00:57, prp25 = 9061920555519325508797997 (curve 76 stg2 B1=250000 sigma=4230886258 thread=2)
01/05/26 11:00:58, prp25 = 9061920555519325508797997 (curve 6 stg2 B1=250000 sigma=145700160 thread=1)
01/05/26 11:00:59, prp25 = 9054322205635625129311769 (curve 5 stg2 B1=250000 sigma=3397195412 thread=2)
01/05/26 11:01:01, prp25 = 9061920555519325508797997 (curve 11 stg2 B1=250000 sigma=943208306 thread=1)
01/05/26 11:01:02, prp25 = 9061920555519325508797997 (curve 8 stg2 B1=250000 sigma=930537352 thread=3)
01/05/26 11:01:05, prp25 = 9054322205635625129311769 (curve 18 stg2 B1=250000 sigma=2515752479 thread=1)
01/05/26 11:01:06, prp25 = 9061920555519325508797997 (curve 7 stg2 B1=250000 sigma=3872551547 thread=0)
01/05/26 11:01:07, prp25 = 9054322205635625129311769 (curve 12 stg2 B1=250000 sigma=3760439108 thread=2)
01/05/26 11:01:09, prp25 = 9054322205635625129311769 (curve 11 stg2 B1=250000 sigma=630468138 thread=1)
01/05/26 11:01:20, prp25 = 9054322205635625129311769 (curve 105 stg2 B1=250000 sigma=4845419 thread=3)
01/05/26 11:01:21, prp25 = 9054322205635625129311769 (curve 5 stg2 B1=250000 sigma=514496322 thread=0)
01/05/26 11:01:24, prp25 = 9061920555519325508797997 (curve 21 stg2 B1=250000 sigma=161638497 thread=0)
01/05/26 11:02:00, prp25 = 9054322205635625129311769 (curve 2 stg1 B1=250000 sigma=3846144073 thread=3)
01/05/26 11:02:04, prp25 = 9054322205635625129311769 (curve 30 stg2 B1=250000 sigma=3922292529 thread=1)
01/05/26 11:02:05, prp25 = 9054322205635625129311769 (curve 4 stg2 B1=250000 sigma=3205493620 thread=1)
01/05/26 11:02:12, prp25 = 9054322205635625129311769 (curve 62 stg2 B1=250000 sigma=12004596 thread=3)
01/05/26 11:02:13, prp25 = 9054322205635625129311769 (curve 4 stg2 B1=250000 sigma=2931181963 thread=1)
01/05/26 11:02:15, prp25 = 9054322205635625129311769 (curve 21 stg2 B1=250000 sigma=1468147668 thread=2)
01/05/26 11:02:16, prp25 = 9061920555519325508797997 (curve 3 stg2 B1=250000 sigma=3710597911 thread=0)
01/05/26 11:02:17, prp25 = 9054322205635625129311769 (curve 9 stg2 B1=250000 sigma=4200665702 thread=3)
01/05/26 11:02:23, prp25 = 9061920555519325508797997 (curve 48 stg2 B1=250000 sigma=4169032026 thread=3)
01/05/26 11:02:26, prp25 = 9061920555519325508797997 (curve 19 stg2 B1=250000 sigma=4019402079 thread=3)
01/05/26 11:02:27, prp25 = 9061920555519325508797997 (curve 12 stg2 B1=250000 sigma=1416079282 thread=1)
01/05/26 11:02:30, prp25 = 9061920555519325508797997 (curve 17 stg2 B1=250000 sigma=4019086655 thread=1)
01/05/26 11:02:36, prp25 = 9054322205635625129311769 (curve 51 stg2 B1=250000 sigma=766445195 thread=1)
01/05/26 11:02:38, prp25 = 9054322205635625129311769 (curve 14 stg2 B1=250000 sigma=3926510716 thread=1)
01/05/26 11:02:40, prp25 = 9061920555519325508797997 (curve 11 stg2 B1=250000 sigma=1087835127 thread=1)
01/05/26 11:02:46, prp25 = 9061920555519325508797997 (curve 59 stg2 B1=250000 sigma=847009125 thread=3)
01/05/26 11:02:49, prp25 = 9054322205635625129311769 (curve 20 stg1 B1=250000 sigma=387715830 thread=3)
01/05/26 11:02:49, prp25 = 9061920555519325508797997 (curve 2 stg2 B1=250000 sigma=3261169361 thread=2)
01/05/26 11:02:50, prp25 = 9061920555519325508797997 (curve 4 stg2 B1=250000 sigma=2408071233 thread=0)
01/05/26 11:02:56, prp25 = 9061920555519325508797997 (curve 52 stg2 B1=250000 sigma=2993285683 thread=3)
01/05/26 11:03:00, prp25 = 9054322205635625129311769 (curve 39 stg2 B1=250000 sigma=262149277 thread=2)
01/05/26 11:03:01, prp25 = 9054322205635625129311769 (curve 3 stg2 B1=250000 sigma=2524844628 thread=0)
01/05/26 11:03:02, prp25 = 9054322205635625129311769 (curve 6 stg1 B1=250000 sigma=3587051056 thread=0)
01/05/26 11:03:15, prp25 = 9061920555519325508797997 (curve 115 stg2 B1=250000 sigma=1938694935 thread=0)
01/05/26 11:03:20, prp25 = 9061920555519325508797997 (curve 51 stg2 B1=250000 sigma=1040068216 thread=1)
01/05/26 11:03:23, prp25 = 9061920555519325508797997 (curve 19 stg2 B1=250000 sigma=932896861 thread=3)
01/05/26 11:03:24, prp25 = 9061920555519325508797997 (curve 7 stg2 B1=250000 sigma=1048535078 thread=0)
01/05/26 11:03:29, prp25 = 9054322205635625129311769 (curve 40 stg2 B1=250000 sigma=914565332 thread=1)
01/05/26 11:03:32, prp25 = 9054322205635625129311769 (curve 21 stg2 B1=250000 sigma=141986146 thread=3)
01/05/26 11:03:34, prp25 = 9054322205635625129311769 (curve 16 stg2 B1=250000 sigma=3653895563 thread=0)
01/05/26 11:03:35, prp25 = 9061920555519325508797997 (curve 7 stg2 B1=250000 sigma=3914181659 thread=0)
01/05/26 11:03:40, prp25 = 9061920555519325508797997 (curve 33 stg2 B1=250000 sigma=2164801221 thread=1)
01/05/26 11:03:47, prp25 = 9061920555519325508797997 (curve 72 stg2 B1=250000 sigma=3967974147 thread=2)
01/05/26 11:03:59, prp25 = 9054322205635625129311769 (curve 103 stg2 B1=250000 sigma=458496992 thread=3)
01/05/26 11:04:02, prp25 = 9061920555519325508797997 (curve 25 stg2 B1=250000 sigma=3748643032 thread=3)
01/05/26 11:04:03, prp25 = 9061920555519325508797997 (curve 7 stg2 B1=250000 sigma=675086369 thread=3)
01/05/26 11:04:04, prp25 = 9054322205635625129311769 (curve 5 stg2 B1=250000 sigma=837008744 thread=0)
01/05/26 11:04:05, prp25 = 9054322205635625129311769 (curve 5 stg2 B1=250000 sigma=2745539274 thread=3)
01/05/26 11:04:13, prp25 = 9061920555519325508797997 (curve 77 stg2 B1=250000 sigma=1898237357 thread=1)
01/05/26 11:04:18, prp25 = 9054322205635625129311769 (curve 38 stg2 B1=250000 sigma=826087153 thread=2)
01/05/26 11:04:19, prp25 = 9054322205635625129311769 (curve 3 stg2 B1=250000 sigma=1260031626 thread=2)
01/05/26 11:04:19, prp25 = 9061920555519325508797997 (curve 3 stg2 B1=250000 sigma=3714571446 thread=0)
01/05/26 11:04:20, prp25 = 9054322205635625129311769 (curve 5 stg2 B1=250000 sigma=3191525278 thread=2)
01/05/26 11:04:24, prp25 = 9054322205635625129311769 (curve 33 stg2 B1=250000 sigma=2570021142 thread=2)
01/05/26 11:04:28, prp25 = 9061920555519325508797997 (curve 34 stg2 B1=250000 sigma=64590548 thread=1)
01/05/26 11:04:29, prp25 = 9054322205635625129311769 (curve 5 stg2 B1=250000 sigma=806232008 thread=0)
01/05/26 11:04:34, prp25 = 9061920555519325508797997 (curve 43 stg2 B1=250000 sigma=2358657049 thread=1)
01/05/26 11:04:43, prp25 = 9054322205635625129311769 (curve 84 stg2 B1=250000 sigma=3230624663 thread=1)
01/05/26 11:04:45, prp25 = 9054322205635625129311769 (curve 10 stg2 B1=250000 sigma=960669440 thread=1)
01/05/26 11:04:45, prp25 = 9054322205635625129311769 (curve 2 stg1 B1=250000 sigma=568607431 thread=2)
01/05/26 11:04:50, prp25 = 9054322205635625129311769 (curve 36 stg2 B1=250000 sigma=2425871166 thread=0)
01/05/26 11:04:55, prp25 = 9061920555519325508797997 (curve 52 stg2 B1=250000 sigma=1004290243 thread=0)
01/05/26 11:04:58, prp25 = 9054322205635625129311769 (curve 27 stg2 B1=250000 sigma=3968776237 thread=0)
01/05/26 11:05:06, prp25 = 9061920555519325508797997 (curve 67 stg2 B1=250000 sigma=946561278 thread=1)
01/05/26 11:05:09, prp25 = 9054322205635625129311769 (curve 30 stg2 B1=250000 sigma=594798084 thread=3)
01/05/26 11:05:12, prp25 = 9061920555519325508797997 (curve 26 stg2 B1=250000 sigma=3335212399 thread=1)
01/05/26 11:05:15, prp25 = 9061920555519325508797997 (curve 23 stg2 B1=250000 sigma=3231912053 thread=3)
01/05/26 11:05:21, prp25 = 9054322205635625129311769 (curve 45 stg2 B1=250000 sigma=2255415705 thread=3)
01/05/26 11:05:26, prp25 = 9061920555519325508797997 (curve 42 stg2 B1=250000 sigma=149151982 thread=3)
01/05/26 11:05:28, prp25 = 9061920555519325508797997 (curve 14 stg2 B1=250000 sigma=2751084804 thread=1)
01/05/26 11:05:29, prp25 = 9061920555519325508797997 (curve 10 stg1 B1=250000 sigma=3325642711 thread=3)
01/05/26 11:05:31, prp25 = 9054322205635625129311769 (curve 11 stg2 B1=250000 sigma=4146988615 thread=1)
01/05/26 11:05:32, prp25 = 9061920555519325508797997 (curve 2 stg2 B1=250000 sigma=2609597300 thread=0)
01/05/26 11:05:32, prp25 = 9061920555519325508797997 (curve 2 stg2 B1=250000 sigma=620323433 thread=0)
01/05/26 11:05:37, prp25 = 9054322205635625129311769 (curve 43 stg1 B1=250000 sigma=379707166 thread=3)
01/05/26 11:05:39, prp25 = 9054322205635625129311769 (curve 14 stg2 B1=250000 sigma=3159163266 thread=3)
01/05/26 11:05:56, prp25 = 9061920555519325508797997 (curve 166 stg2 B1=250000 sigma=228418205 thread=2)
01/05/26 11:05:59, prp25 = 9061920555519325508797997 (curve 20 stg2 B1=250000 sigma=291105205 thread=1)
01/05/26 11:06:02, prp25 = 9061920555519325508797997 (curve 24 stg2 B1=250000 sigma=557483595 thread=2)
01/05/26 11:06:05, prp25 = 9054322205635625129311769 (curve 24 stg2 B1=250000 sigma=3235043001 thread=0)
Всего 4 раза из 100 не уложились в 84 кривых, три раза уложились в 115 кривых, и лишь один раз потребовалось 166 кривых. Сравните с почти 900 кривых для B1=50000. 30 запусков для того же числа с B1=1М:
01/05/26 11:13:35, prp25 = 9061920555519325508797997 (curve 2 stg2 B1=1000000 sigma=3760502221 thread=2)
01/05/26 11:15:26, prp25 = 9061920555519325508797997 (curve 2 stg2 B1=1000000 sigma=782210884 thread=2)
01/05/26 11:13:37, prp25 = 9061920555519325508797997 (curve 3 stg2 B1=1000000 sigma=226253689 thread=3)
01/05/26 11:14:22, prp25 = 9054322205635625129311769 (curve 4 stg2 B1=1000000 sigma=1231894363 thread=1)
01/05/26 11:13:11, prp25 = 9054322205635625129311769 (curve 5 stg2 B1=1000000 sigma=1612453017 thread=3)
01/05/26 11:13:09, prp25 = 9061920555519325508797997 (curve 6 stg2 B1=1000000 sigma=2671302113 thread=2)
01/05/26 11:13:50, prp25 = 9054322205635625129311769 (curve 6 stg1 B1=1000000 sigma=1152147852 thread=2)
01/05/26 11:16:36, prp25 = 9054322205635625129311769 (curve 6 stg2 B1=1000000 sigma=2145651825 thread=2)
01/05/26 11:15:05, prp25 = 9054322205635625129311769 (curve 7 stg2 B1=1000000 sigma=674798042 thread=1)
01/05/26 11:16:23, prp25 = 9054322205635625129311769 (curve 9 stg2 B1=1000000 sigma=1231180881 thread=3)
01/05/26 11:15:11, prp25 = 9054322205635625129311769 (curve 10 stg2 B1=1000000 sigma=17214327 thread=2)
01/05/26 11:16:41, prp25 = 9061920555519325508797997 (curve 10 stg2 B1=1000000 sigma=21932978 thread=2)
01/05/26 11:16:46, prp25 = 9061920555519325508797997 (curve 10 stg2 B1=1000000 sigma=228140109 thread=1)
01/05/26 11:15:17, prp25 = 9061920555519325508797997 (curve 11 stg2 B1=1000000 sigma=4215558281 thread=3)
01/05/26 11:14:28, prp25 = 9061920555519325508797997 (curve 13 stg2 B1=1000000 sigma=528955476 thread=1)
01/05/26 11:15:23, prp25 = 9054322205635625129311769 (curve 13 stg2 B1=1000000 sigma=1199354779 thread=2)
01/05/26 11:13:56, prp25 = 9054322205635625129311769 (curve 14 stg1 B1=1000000 sigma=2926036371 thread=0)
01/05/26 11:16:13, prp25 = 9061920555519325508797997 (curve 14 stg1 B1=1000000 sigma=74729425 thread=2)
01/05/26 11:16:20, prp25 = 9061920555519325508797997 (curve 14 stg2 B1=1000000 sigma=1395589145 thread=3)
01/05/26 11:16:31, prp25 = 9061920555519325508797997 (curve 16 stg2 B1=1000000 sigma=699272173 thread=2)
01/05/26 11:13:20, prp25 = 9061920555519325508797997 (curve 18 stg1 B1=1000000 sigma=3440093269 thread=3)
01/05/26 11:16:06, prp25 = 9061920555519325508797997 (curve 18 stg2 B1=1000000 sigma=29389588 thread=1)
01/05/26 11:13:46, prp25 = 9054322205635625129311769 (curve 20 stg2 B1=1000000 sigma=1472993899 thread=0)
01/05/26 11:14:07, prp25 = 9061920555519325508797997 (curve 23 stg2 B1=1000000 sigma=2098850188 thread=0)
01/05/26 11:13:32, prp25 = 9061920555519325508797997 (curve 29 stg2 B1=1000000 sigma=920833640 thread=3)
01/05/26 11:14:19, prp25 = 9054322205635625129311769 (curve 30 stg2 B1=1000000 sigma=889152238 thread=0)
01/05/26 11:15:01, prp25 = 9061920555519325508797997 (curve 30 stg2 B1=1000000 sigma=2202773671 thread=2)
01/05/26 11:15:39, prp25 = 9061920555519325508797997 (curve 33 stg2 B1=1000000 sigma=1686991267 thread=3)
01/05/26 11:15:58, prp25 = 9054322205635625129311769 (curve 47 stg2 B1=1000000 sigma=1222987905 thread=3)
01/05/26 11:14:48, prp25 = 9061920555519325508797997 (curve 50 stg2 B1=1000000 sigma=3778191881 thread=0)
Ни разу не потребовалось более 50 кривых, и лишь 2 раза больше 33 кривых. Причём такой поиск оказался даже быстрее предыдущего: 1м13с на 30 итераций против 1м33с тех 30 первых итераций. На самом деле этот даже ещё чуть быстрее потому что нередко не нужно было запускать все 4 потока, делитель находился прямо на первой-второй кривой в каком-нибудь потоке. Почему сразу не ставят B1 в миллионы или миллиарды? Так чем больше B1, тем медленнее расчёт каждой кривой, потому и не ставят, есть вполне обоснованная надежда что делитель будет найден и при меньших B1. И выбор количества кривых и величины B1 думаю очень даже обоснован. И вряд ли именно для проверки точно полупростых, как Вы тут накинулись, всё же программа универсальная, а не оптимизирована для взлома RSA. Я уже их штук 25 факторизовал, и И НИ ОДНОГО случая не было, чтобы программа не нашла делителей! Так что складывается смутное впечатление, что тут не то что 23%, тут даже и 5% вероятности, близко нет. Я уже не понимаю, когда я вообще дождусь такого случая! :) Это говорит скорее о плохом выборе факторизуемых чисел, чем о качестве ECM. Я же показывал выше как из 100 разных чисел 23 не уложились в расчётные 214 кривых. Впрочем, если взять делители не 25 цифр, а 24, может вероятность и упадёт ...
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