Riesel primes of the form 705•2n-1

Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

k , b : 705 , 2 Type : 315 Count : 80 Nash : 4022 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 2, 3, 4, 6, 7, 9, 11, 14, 15, 19, 22, 24, 65, 66, 83, 154, 155, 166, 175, 268, 273, 316, 334, 384, 393, 401, 599, 851, 936, 962, 1107, 1386, 1426, 2634, 2638, 2834, 2886, 3495, 4298, 4833, 5182, 7727, 10929, 15682, 15887, 22767, 24311, 24529, 25672, 26508, 30602, 31779, 31908, 33639, 34704, 39486, 43012, 49345, 55041, 57035, 91842, 178259, 190062, 289207, 317106, 325274, 330472, 335599, 358495, 366676, 630007, 803442, 813738, 963099, 1052759, 1112418, 1140054, 1233563, 1840379

History

• 2022-11-14: Found n = 1840379, Gary Barnes
• 2012-11-07: Found n = 1233563, Max Dettweiler
• 2012-04-21: Found n = 1140054, David Nicol
• 2012-04-10: Found n = 1112418, Gary Barnes
• 2012-02-26: Found n = 1052759, Max Dettweiler
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2011-01-09: Found n = 963099, David Nicol
• 2010-11-17: Found n = 813738, Vaughan Davies
• 2010-11-14: Found n = 803442, Brian Lody
• 2009-03-29: 630007 confirmed, Gary Barnes
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
• 2008-05-01: Found n = 630007, David Metcalfe
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-02-27: Found n = 366676, Gary Barnes
• 2008-02-19: Found n = 358495, James P. Burt
• 2008-01-28: Found n = 335599, Gary Barnes
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2002-11-16: Found n = 190062, James S. Griffin
• 2002-11-16: Found n = 178259, James S. Griffin
• 2002-02-11: Found n = 91842, Kimmo Herranen