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Riesel primes of the form 23805•2n-1

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Current data

k , b : 23805 , 2
Type : 315
Count : 95
Nash : 4694
Max n : 1,000,000
Date : 2021-07-20
1[1], 2, 4[2], 9, 13, 25, 27[3], 28, 31[4], 36, 57[5], 58, 65, 72, 74, 123, 135, 151, 161[6], 162, 184, 196, 241, 271, 354, 357, 576, 724, 747, 765, 849, 871, 949[7], 1028, 1033, 1165, 1177, 1388, 1576, 1737, 2193, 2517, 2842, 3109, 3497, 3748, 3858, 4841, 5209, 5324, 5773, 7678, 8953, 10257, 10867, 11331, 14968, 15607, 16921, 18195, 24305, 25252, 30219, 30622, 36336, 37722, 39223, 44779, 48656, 55785, 57097, 62863, 70934, 80482, 84943, 106791, 113775, 118994, 119496, 126457, 126653, 131762, 135568, 270312, 342577, 365993, 384501, 451349, 500218, 521958, 527683, 565351, 572827, 620974, 916969

Notes

  1. S.G. n=1
  2. Twin n=4
  3. S.G. n=27, Twin n=27
  4. Twin n=31
  5. S.G. n=57
  6. S.G. n=161
  7. Twin n=949

History