Riesel primes of the form 81555•2n-1

Current data

k , b : 81555 , 2 Type : 315 Count : 74 Nash : 4557 Max n : 125,000 Date : 2021-01-16

1, 2, 8, 32, 34, 37, 39, 49, 51, 69, 71, 75, 81, 82, 88, 95, 98, 104, 107, 123, 125, 153, 182, 193, 238, 332, 349, 383, 473, 592, 637, 644, 687, 805, 937, 1022, 1026, 1059, 1244, 1478, 1497, 1678, 1811, 1967, 2195, 2329, 2696, 3095, 3926, 4018, 4073, 4397, 4564, 5622, 6985, 7407, 7945, 10346, 11058, 11512, 11691, 13794, 16095, 18566, 24351, 43187, 52717, 62689, 71204, 72717, 76966, 86861, 122285, 124105

History

• 2021-01-16: Checked to n = 125000, Alexander Jones, released
• 2020-11-15: Reserved by Alexander Jones
• 2007-07-19: Checked to n = 50000, Karsten Bonath
• 2003-07-03: Found n = 124105, Lars Dausch
• 2003-07-03: Found n = 122285, Lars Dausch
• 1998-05-10: Found n = 24351, Ray Ballinger
• 1998-05-10: Found n = 18566, Ray Ballinger
• 1998-05-10: Found n = 16095, Ray Ballinger