Riesel primes of the form 2022381375•2n-1

Current data

k , b : 2022381375 , 2 Type : 315 Count : 103 Nash : 5639 Max n : 400,000 Date : 2025-04-24

1, 4, 5, 6, 9, 15, 16, 17, 25, 26, 27, 29, 40, 50, 53, 56, 93, 111, 114, 134, 137, 146, 159, 160, 196, 230, 235, 256, 268, 311, 364, 375, 405, 435, 464, 497, 511, 533, 541, 547, 674, 718, 746, 821, 1023, 1036, 1103, 1108, 1110, 1167, 1374, 1417, 2073, 2563, 2607, 2734, 2813, 3113, 3437, 3825, 4257, 6101, 6534, 7809, 7837, 8014, 9345, 9527, 10125, 10441, 11175, 11534, 11648, 14186, 15476, 18674, 24475, 26297, 27974, 31343, 37131, 39013, 48395, 51541, 52769, 56303, 84865, 89597, 96938, 118503, 118671, 135688, 160564, 166895, 211753, 218104, 232878, 244893, 262241, 273167, 293727, 315661, 343804

History

• 2025-04-24: Checked n = 1 - 201700, Gary Barnes, double-check n = 200000 - 201700, released
• 2007-07-08: Checked n = 200000 - 201700, Karsten Bonath
• 2006-08-02: Checked n = 201700 - 400000, RPS Drive 1, released
• 2006-03-29: Found n = 343804, Edo Rajh, RPS Drive 1
• 2006-03-01: Found n = 315661, Larry Soule, RPS Drive 1
• 2006-01-30: Found n = 293727, Predrag Minovic, RPS Drive 1
• 2006-01-01: Found n = 273167, Larry Soule, RPS Drive 1
• 2005-12-19: Found n = 262241, Predrag Minovic, RPS Drive 1
• 2005-11-27: Found n = 244893, Larry Soule, RPS Drive 1
• 2005-11-19: Found n = 232878, Alexandre de Pereyra, RPS Drive 1
• 2005-11-09: Found n = 218104, Larry Soule, RPS Drive 1
• 2005-11-05: Found n = 211753, Valerie Vonck, RPS Drive 1
• 2005-10-31: Reserved by RPS Drive 1 for n = 201700 - 400000