Riesel primes of the form 67342275•2n-1

Current data

k , b : 67342275 , 2 Type : 3152145 Count : 105 Nash : 5356 Max n : 400,000 Date : 2025-04-24

3, 7, 9, 11, 14, 15, 22, 24, 29, 36, 50, 53, 57, 60, 62, 111, 113, 131, 149, 150, 156, 165, 167, 169, 191, 193, 207, 211, 225, 231, 275, 288, 295, 345, 346, 433, 516, 598, 605, 627, 645, 664, 717, 764, 772, 808, 939, 1109, 1295, 1331, 1565, 1570, 1614, 1655, 1662, 1710, 1884, 1888, 2134, 2228, 3448, 3993, 4069, 4270, 4666, 4671, 4882, 6009, 6628, 7165, 7389, 8276, 8909, 11222, 11593, 12826, 14333, 15039, 19090, 34548, 41987, 42929, 44080, 47027, 49256, 50048, 50286, 54860, 56472, 62635, 68757, 103968, 117894, 119843, 138323, 152982, 166959, 183592, 190648, 195591, 223322, 347511, 353411, 364695, 395172

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
• 2006-08-02: Found n = 395172, Larry Soule, RPS Drive 1
• 2006-04-26: Found n = 364695, Edo Rajh, RPS Drive 1
• 2006-04-10: Found n = 353411, Predrag Minovic, RPS Drive 1
• 2006-03-29: Found n = 347511, Larry Soule, RPS Drive 1
• 2005-11-14: Found n = 223322, Larry Soule, RPS Drive 1
• 2005-10-31: Reserved by RPS Drive 1 for n = 201700 - 400000