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Riesel primes of the form 21399•2n-1

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Current data

k , b : 21399 , 2
Type : 3
Count : 50
Nash : 3232
Max n : 50,000
Date : 2020-07-30
1, 5[1], 7, 11, 21[2], 29, 35, 55, 64, 67, 77[3], 107, 124, 183, 196, 211, 249, 320, 377, 381, 472, 489, 503, 533, 593, 991, 1072, 1167, 1693, 1739, 2152, 2240, 3717, 6003, 6093, 6311, 7201, 8889, 9183, 12529, 13227, 18075, 18441, 20069, 20161, 28475, 35409, 42677, 43141, 480331

Notes

  1. Twin n=5
  2. Twin n=21
  3. Twin n=77

History