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2020-10-19, 15:47   #1068
sweety439

Nov 2016

2×7×132 Posts

At n=26544, found a new (probable) prime: (376*70^24952-1)/3
Attached Files
 pfgw.log (100 Bytes, 3 views)

 2020-10-22, 14:48 #1069 sweety439     Nov 2016 2·7·132 Posts 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
 2020-10-22, 14:59 #1070 sweety439     Nov 2016 2·7·132 Posts 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
2020-10-25, 19:43   #1071
sweety439

Nov 2016

2×7×132 Posts

Quote:
 Originally Posted by sweety439 No other (probable) primes found for R70 k = 376, 496, 811 up to n=22813
R70 at n=37634, no new (probable) prime found

2020-10-28, 00:07   #1072
sweety439

Nov 2016

2·7·132 Posts

R70 at n=41326, no other (probable) primes found
Attached Files
 R70 status.txt (73.3 KB, 0 views)

2020-10-28, 00:09   #1073
sweety439

Nov 2016

2×7×132 Posts

R43 at n=18122, no (probable) primes found

Unfortunately, srsieve cannot sieve R43, since k and b are both odd.
Attached Files
 R43 status.txt (618.6 KB, 1 views)

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