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Riesel primes of the form 21885•2n-1

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Reserved! This sequence is currently reserved by: Alexander Jones

Current data

k , b : 21885 , 2
Type : 315
Count : 90
Nash : 4334
Max n : 375,000
Date : 2021-06-01
Reserved : Alexander JonesAlexander Jones/Reserved
2[1], 3[2], 4[3], 5, 8[4], 9[5], 10, 13, 16, 18, 28, 30, 33, 42[6], 52, 54, 63, 82, 87, 99[7], 105, 107, 197, 282, 304, 306, 429, 574, 713, 758, 807, 994, 1368, 1619, 1725, 1876, 1969, 2062, 2236, 3365, 4182, 4877, 4942, 5184, 5524, 6594, 7784, 7864, 8970, 9077, 9096, 9244, 9480, 12822, 12968, 13724, 14682, 15106, 18846, 19169, 23518, 24513, 25767, 26040, 29650, 36974, 39278, 44972, 56308, 66757, 80340, 83209, 97533, 100370, 101914, 130069, 132647, 133385, 157105, 174305, 184829, 222387, 236188, 320147, 357582, 513697, 537009, 591013, 775829, 988449

Notes

  1. ↑ Sophie Germain n=2, Twin n=2
  2. ↑ Sophie Germain n=3, Twin n=3
  3. ↑ Sophie Germain n=4
  4. ↑ Sophie Germain n=8, Twin n=8
  5. ↑ Sophie Germain n=9, Twin n=9
  6. ↑ Twin n=42
  7. ↑ Twin n=99

History

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