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Riesel primes of the form 309•2n-1

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Current data

k , b : 309 , 2
Type : 3
Count : 59
Nash : 2060
Max n : 5,000,000
Date : 2024-08-15
1[1], 4[2], 5, 7[3], 8, 28, 32, 43, 65, 77, 89, 121, 143[4], 161, 253, 413, 436, 689, 728, 892, 929, 1127, 1297, 1364, 1625, 1627, 1664, 2096, 2309, 6421, 6461, 7843, 8191, 8759, 10925, 11336, 12631, 14156, 16487, 35045, 40271, 40375, 41813, 69401, 79493, 97097, 174856, 263951, 274199, 290423, 315773, 387221, 480343, 780395, 795776, 805516, 954323, 1647947, 4745713

Notes

  1. Twin n=1
  2. S.G. n=4
  3. S.G. n=7
  4. Twin n=143

History