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Riesel primes of the form 31581•2n-1

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Current data

k , b : 31581 , 2
Type : 3
Count : 45
Nash : 2784
Max n : 50,000
Date : 2020-08-08
2, 6, 9[1], 14, 27, 35, 39[2], 51, 66, 89, 101, 126, 138, 182, 195, 233, 237, 269[3], 270, 363, 542, 701, 771, 794, 909, 1017, 1191, 1530, 1899, 2153, 2346, 2717, 3054, 3165, 5850, 6114, 8250, 12890, 20991, 26667, 33038, 36789, 46082, 48233, 481175

Notes

  1. ↑ Twin n=9
  2. ↑ Twin n=39
  3. ↑ Sophie Germain n=269

History

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