Riesel primes of the form 7077•2n-1

Current data

k , b : 7077 , 2 Type : 3 Count : 58 Nash : 2745 Max n : 750,000 Date : 2025-02-11

1, 2, 5, 9, 17, 20, 34, 49, 72, 80, 105, 109, 114, 152, 182, 197, 272, 290, 314, 344, 409, 464, 481, 482, 489, 493, 649, 824, 1442, 1742, 2121, 2876, 3750, 4556, 5462, 5757, 6032, 6033, 7061, 8194, 8593, 9937, 11957, 15164, 20729, 27053, 35450, 41109, 50136, 58382, 72157, 81414, 89032, 97542, 143750, 169432, 482292, 485953

History

• 2025-02-11: Checked n = 500000 - 750000, Gary Barnes, double-check, released
• 2021-12-07: Checked n = 150000 - 500000, Alexander Jones, released
• 2021-10-11: Reserved by Alexander Jones
• 2021-04-16: Checked n = 100000 - 150000, Alexander Jones
• 2021-04-11: Checked n = 50000 - 100000, Alexander Jones
• 2011-01-16: 482292 confirmed, Ralf Recker, Twin Prime Search 480000
• 2011-01-01: Checked n = 500000 - 750000?, Free-DC Drive 3, suspended
• 2009-12-27: Checked n = 10000 - 50000, Peter Benson
• 2009-12-20: Found n = 482292, Peter Benson
• 2009-08-08: Reserved by Free-DC Drive 3 from n = 500000
• 2009-08-04: Found n = 485953, Brian Lody
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes