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 : 108 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, 2166363

History

• 2024-03-14: Found n = 2166363, Göran Schmidt, NPLB Drive 18
• 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, NPLB Drive 14
• 2022-06-29: Found n = 1750817, Gary Barnes, NPLB Drive 14
• 2018-07-11: Found n = 1518755, Ricky L. Hubbard, NPLB Drive 14
• 2017-09-12: Found n = 1472086, Max Dettweiler, NPLB Drive 14
• 2016-09-28: Found n = 1441006, Max Dettweiler, NPLB Drive 14
• 2012-02-22: Found n = 1027639, Pietari Snow, NPLB Drive 14
• 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, NPLB Drive 6
• 2010-11-21: Found n = 798946, Gary Barnes, NPLB Drive 6
• 2009-10-29: Found n = 724834, Karsten Bonath, NPLB Drive 6
• 2009-05-04: Found n = 649621, David James, NPLB Drive 6
• 2009-04-28: Found n = 640175, Gary Barnes, NPLB Drive 6
• 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, NPLB Drive 1
• 2008-11-24: Found n = 557981, David James, NPLB Drive 1
• 2008-06-20: Found n = 505381, James P. Burt, NPLB Drive 1
• 2008-06-04: 467854 confirmed, James P. Burt, NPLB Drive 1
• 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