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Riesel primes of the form 561•2n-1

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Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17.

Current data

k , b : 561 , 2
Type : 3
Count : 39
Nash : 1920
Max n : 2,820,000
Date : 2024-03-09
Reserved : No Prime Left BehindNo Prime Left Behind/Reserved
2, 7[1], 14, 26, 31, 38, 70, 238, 493, 583, 877, 907, 1330, 2573, 2605, 3055, 3398, 4181, 8918, 13793, 15449, 21497, 41098, 55486, 83986, 101326, 115081, 166274, 271550, 323165, 351074, 515702, 520850, 546613, 900097, 1805767, 1996865, 2359543, 2469713

Notes

  1. Twin n=7

History