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Riesel primes of the form 40047•2n-1

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Current data

k , b : 40047 , 2
Type : 3
Count : 43
Nash : 3030
Max n : 235,000
Date : 2021-02-07
5[1], 6[2], 8, 12, 16, 18, 45, 66, 110, 136, 161, 176, 228, 388, 470, 998, 1490, 1806, 2806, 2986, 3992, 4898, 5396, 5640, 6624, 6776, 8090, 8840, 11392, 13989, 14396, 14889, 20790, 37196, 44529, 45105, 60096, 79672, 111728, 168245, 177534, 182150, 234000

Notes

  1. ↑ Sophie Germain n=5
  2. ↑ Twin n=6

History

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