Riesel primes of the form 741•2n-1

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

Current data

k , b : 741 , 2 Type : 3 Count : 107 Nash : 5029 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 2, 3, 7, 9, 10, 11, 13, 14, 31, 33, 35, 39, 42, 43, 57, 86, 102, 149, 257, 267, 303, 343, 413, 421, 467, 493, 567, 573, 743, 846, 1022, 1142, 1173, 1381, 1389, 1470, 1495, 1514, 2082, 2915, 3175, 3286, 3763, 3890, 4254, 4754, 5175, 5570, 6697, 6921, 8082, 8705, 8865, 10231, 11725, 13925, 19333, 20765, 22979, 26227, 26729, 28554, 29551, 33749, 36705, 37682, 39107, 40270, 49745, 51902, 59061, 65397, 66289, 76525, 80534, 83847, 90791, 109701, 125001, 135970, 150731, 157841, 165361, 171983, 198065, 238615, 284273, 284327, 317479, 325661, 393954, 467854, 505381, 557981, 585865, 640175, 649621, 724834, 798946, 903981, 1027639, 1441006, 1472086, 1518755, 1750817, 1803805

History

• 2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
• 2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
• 2022-09-10: Found n = 1803805, Gary Barnes
• 2022-06-29: Found n = 1750817, Gary Barnes
• 2018-07-11: Found n = 1518755, Ricky L. Hubbard
• 2017-09-12: Found n = 1472086, Max Dettweiler
• 2016-09-28: Found n = 1441006, Max Dettweiler
• 2012-02-22: Found n = 1027639, Pietari Snow
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2011-01-05: Found n = 903981, Gary Barnes
• 2010-11-21: Found n = 798946, Gary Barnes
• 2009-10-29: Found n = 724834, Karsten Bonath
• 2009-05-04: Found n = 649621, David James
• 2009-04-28: Found n = 640175, 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
• 2008-12-10: Found n = 585865, Ed Goforth
• 2008-11-24: Found n = 557981, David James
• 2008-06-20: Found n = 505381, James P. Burt
• 2008-06-04: 467854 confirmed, James P. Burt
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2006-10-31: Found n = 467854, James S. Griffin
• 2006-04-06: Found n = 284327, James S. Griffin
• 2006-04-06: Found n = 284273, James S. Griffin
• 2003-05-12: Found n = 238615, James S. Griffin
• 2002-11-08: Found n = 135970, James S. Griffin
• 2002-11-08: Found n = 125001, James S. Griffin
• 2002-02-15: Found n = 109701, Andrew J. Rupinski
• 2002-02-10: Found n = 90791, Andrew J. Rupinski
• 2001-07-10: Found n = 83847, Kimmo Herranen
• 2001-07-09: Found n = 80534, Kimmo Herranen
• 2001-07-09: Found n = 76525, Kimmo Herranen