Riesel primes of the form 9441•2n-1

Current data

k , b : 9441 , 2 Type : 3 Count : 79 Nash : 4561 Max n : 1,333,000 Date : 2025-05-05

3, 5, 6, 7, 10, 13, 14, 15, 18, 21, 23, 35, 37, 49, 55, 77, 87, 97, 106, 111, 121, 250, 357, 418, 433, 449, 489, 495, 594, 691, 745, 825, 921, 957, 975, 1190, 1194, 1467, 2223, 2506, 2591, 3123, 3269, 7383, 10194, 11629, 13134, 14269, 20145, 22870, 28667, 28951, 29667, 39907, 45207, 45903, 48934, 49637, 53607, 65341, 68239, 78233, 132297, 137943, 150751, 210755, 235117, 288646, 306591, 359771, 388683, 441126, 501654, 528999, 610639, 662846, 893751, 991067, 1119721

History

• 2025-05-05: Checked n = 10000 - 380000, Gary Barnes, released
• 2024-04-10: Checked n = 380000 - 1333000, RPS Drive 8, released
• 2013-08-25: Found n = 1119721, Lennart Vogel, RPS Drive 8
• 2011-08-30: Found n = 991067, Peter Benson, RPS Drive 8
• 2011-02-09: Found n = 893751, Peter Benson, RPS Drive 8
• 2009-11-04: Found n = 662846, Predrag Minovic, RPS Drive 8
• 2009-08-15: Found n = 610639, Peter Benson, RPS Drive 8
• 2009-06-02: Found n = 528999, Predrag Minovic, RPS Drive 8
• 2009-05-02: Found n = 501654, Peter Benson, RPS Drive 8
• 2009-04-14: Found n = 441126, Thomas Ritschel, RPS Drive 8
• 2009-03-28: Found n = 388683, David Metcalfe, RPS Drive 8
• 2009-03-24: Reserved by RPS Drive 8, for n = 380000 - 700000
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes