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Old 2020-10-19, 15:47   #1068
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At n=26544, found a new (probable) prime: (376*70^24952-1)/3
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Old 2020-10-22, 14:48   #1069
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For the Sierpinski bases 2<=b<=128 and b = 256, 512, 1024:

proven: 4, 5, 7, 8, 9, 11, 13, 14, 16, 17, 19, 20, 21, 23, 27, 29, 34, 35, 39, 41, 43, 44, 45, 47, 49, 51, 54, 56, 57, 59, 61, 64, 65, 69, 71, 73 (with PRP), 74, 75, 76, 79, 84, 85, 87, 88, 90, 94, 95, 100, 101, 105 (with PRP), 110, 111, 114, 116, 119, 121, 125, 256 (with PRP)
weak proven (only GFN's or half GFN's remain): 12, 18, 32, 37, 38, 50, 55, 62, 72, 77, 89, 91, 92, 98, 99, 104, 107, 109
1k bases: 25, 53, 103, 113, 118
2k bases but become 1k bases if GFN's and half GFN's are excluded: 10, 36, 68, 83, 86, 117, 122, 128
4k bases but become 1k bases if GFN's and half GFN's are excluded: 512
2k bases: 26, 30, 33, 46, 115
3k bases but become 2k bases if GFN's and half GFN's are excluded: 67, 123
3k bases: 28, 102
4k bases but become 3k bases if GFN's and half GFN's are excluded: 93
5k bases but become 3k bases if GFN's and half GFN's are excluded: 1024
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Old 2020-10-22, 14:59   #1070
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For the Riesel bases 2<=b<=128 and b = 256, 512, 1024:

proven: 4, 5, 7 (with PRP), 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 23, 25, 26, 27, 29, 32, 34, 35, 37, 38, 39, 41, 44, 45, 47, 49, 50, 51, 53, 54, 55, 56, 57, 59, 62, 64, 65, 67, 68, 69, 71, 72, 73 (with PRP), 74, 75, 76, 77, 79, 81, 83, 84, 86, 87, 89, 90, 91 (with PRP), 92, 95, 98, 99, 100 (with PRP), 101, 103, 104, 107 (with PRP), 109, 110, 111, 113, 114, 116, 119, 121, 122, 125, 128, 256, 512
1k bases: 43, 70, 85, 94, 97, 118, 123
2k bases: 33, 105, 115
3k bases: 46, 61, 80
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Old 2020-10-25, 19:43   #1071
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Quote:
Originally Posted by sweety439 View Post
No other (probable) primes found for R70 k = 376, 496, 811 up to n=22813
R70 at n=37634, no new (probable) prime found
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Old 2020-10-28, 00:07   #1072
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R70 at n=41326, no other (probable) primes found
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Old 2020-10-28, 00:09   #1073
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R43 at n=18122, no (probable) primes found

Unfortunately, srsieve cannot sieve R43, since k and b are both odd.
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