Riesel primes of the form 2043•2n-1

Current data

k , b : 2043 , 2 Type : 3 Count : 87 Nash : 4049 Max n : 1,310,000 Date : 2015-05-18

2, 4, 8, 16, 18, 20, 26, 32, 40, 44, 48, 54, 63, 68, 123, 140, 226, 231, 424, 470, 538, 584, 600, 735, 744, 824, 1226, 1244, 1580, 1632, 1983, 2239, 2320, 2396, 2610, 3084, 3411, 5988, 6064, 6148, 6992, 7250, 8719, 10048, 11036, 12474, 21498, 21538, 23608, 28336, 30878, 36238, 42702, 44340, 44775, 46760, 52048, 52328, 56886, 58430, 65298, 69968, 83774, 103992, 137822, 139884, 159346, 226582, 239668, 241196, 263444, 303974, 310708, 312386, 417726, 455246, 461079, 503778, 590452, 679536, 792106, 847550, 902316, 1061700, 1094124, 1114516, 1185062

History

• 2015-05-18: Checked n = 600000-700000, Karsten Bonath
• 2015-04-20: Checked to n = 1310000, RPS Drive 12
• 2014-12-04: Checked n = 600000-666666, Dmitry Domanov
• 2013-09-14: Found n = 1185062, Lennart Vogel, RPS Drive 12
• 2013-09-09: Found n = 1114516, James P. Burt, RPS Drive 12
• 2013-09-09: Found n = 1061700, Predrag Minovic, RPS Drive 12
• 2013-09-07: Found n = 1094124, James P. Burt, RPS Drive 12
• 2013-08-30: Checked to n = 1025000, RPS Drive 11, released
• 2013-08-28: Reserved by RPS Drive 12, n ≥ 1025000
• 2012-03-24: Found n = 902316, Peter Benson, RPS Drive 11
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-04: Found n = 847550, David Metcalfe, RPS Drive 11
• 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
• 2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
• 2011-11-18: Found n = 792106, David Metcalfe, RPS Drive 11
• 2011-09-19: Found n = 679536, Peter Benson, RPS Drive 11
• 2011-09-03: Reserved by RPS Drive 11, for n ≥ 666666
• 2010-11-19: Checked to n = 600000, NPLB Drive 11, released
• 2010-09-28: Found n = 590452, Gary Barnes, NPLB Drive 11
• 2010-03-26: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 2009-12-18: Checked n = 20000-50000, Karsten Bonath
• 2009-11-07: Found n = 503778, Dhumil Zaveri, NPLB Drive 11
• 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
• 2009-07-27: 461079 confirmed, Gary Barnes, NPLB Drive 11
• 2009-07-24: 455246 confirmed, Gary Barnes, NPLB Drive 11
• 2009-06-28: Checked n = 10000-20000, Thomas Ritschel
• 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000
• 2009-02-25: Checked to n = 300000, David Stevens, released
• 2009-02-22: Checked to n = 290500, David Stevens
• 2009-02-07: Checked to n = 218000, David Stevens
• 2009-01-20: Reserved by David Stevens
• 2008-09-18: Found n = 461079, James P. Burt
• 2008-09-18: Found n = 455246, James P. Burt
• 2008-09-17: Found n = 417726, James P. Burt