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Riesel primes of the form 20475•2n-1

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Current data

k , b : 20475 , 2
Type : 315
Count : 72
Nash : 4854
Max n : 100,000
Date : 2008-07-23
1[1], 2[2], 4, 6, 13, 17, 19[3], 20, 23, 34, 37, 43, 53, 64, 67, 72[4], 86[5], 87[6], 89, 121, 144, 186, 279, 310, 412, 447, 541, 654, 809, 1015, 1334, 1514, 1673, 1726, 1759, 1761, 1934, 2267, 2449, 3042, 3654, 3807, 3911, 4543, 4689, 4842, 4974, 5383, 5917, 6467, 7335, 8803, 9862, 11247, 12021, 20079, 25879, 27503, 32962, 48579, 53634, 54343, 58421, 61584, 61642, 72210, 75446, 76997, 80701, 82492, 93662, 95605

Notes

  1. S.G. n=1
  2. Twin n=2
  3. S.G. n=19
  4. Twin n=72
  5. S.G. n=86
  6. Twin n=87

History