Riesel primes of the form 1011•2n-1

Current data

k , b : 1011 , 2 Type : 3 Count : 51 Nash : 2224 Max n : 1,900,000 Date : 2023-04-01

3, 10, 11, 27, 30, 33, 79, 210, 238, 443, 539, 591, 823, 1122, 1638, 2219, 3762, 3766, 4038, 4979, 10217, 12567, 13482, 13643, 13873, 18899, 19649, 23417, 23754, 25483, 27030, 31878, 32350, 57683, 61258, 69099, 80382, 98363, 112114, 119283, 312394, 565482, 596823, 638758, 677791, 690654, 906951, 977446, 1002851, 1198498, 2916119

History

• 2023-04-01: Found n = 2916119, Andy Hedges
• 2014-10-22: Checked to n = 1900000, Peter Benson
• 2014-05-15: Checked to n = 1700000, Peter Benson
• 2014-01-26: Checked to n = 1570000, Peter Benson
• 2013-08-12: Checked to n = 1400000, Peter Benson
• 2012-09-09: Checked to n = 1300000, Peter Benson
• 2012-04-03: Checked to n = 1200000, Peter Benson
• 2012-03-25: Found n = 1198498, Peter Benson
• 2011-09-11: Checked to n = 1100000, Peter Benson
• 2011-04-20: Found n = 1002851, Peter Benson
• 2011-04-17: Checked to n = 1000000, Peter Benson
• 2011-03-12: Checked to n = 980000, Peter Benson
• 2011-03-06: Found n = 977446, Peter Benson
• 2011-02-04: Checked to n = 960000, Peter Benson
• 2011-01-02: Checked to n = 940000, Peter Benson
• 2010-11-20: Checked to n = 920000, Peter Benson
• 2010-10-21: Found n = 906951, Peter Benson
• 2010-10-09: Checked to n = 900000, Peter Benson
• 2010-08-15: Checked to n = 880000, Peter Benson
• 2010-06-27: Checked to n = 860000, Peter Benson
• 2010-05-21: Checked to n = 840000, Peter Benson
• 2010-04-10: Checked to n = 820000, Peter Benson
• 2010-03-09: Checked to n = 800000, Peter Benson
• 2010-02-08: Checked to n = 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2009-07-25: Found n = 690654, Peter Benson
• 2009-07-16: Found n = 677791, Peter Benson
• 2009-05-10: Found n = 638758, Peter Benson
• 2009-02-24: Checked to n = 479264, NPLB Drive 9D, released
• 2009-02-16: Checked to n = 350000, NPLB Drive 9C, released
• 2009-01-25: Checked to n = 200000, NPLB Drive 9A, released
• 2009-01-21: Reserved by NPLB Drive 9D, for 350000 ≤ n ≤ 479264
• 2009-01-21: Reserved by NPLB Drive 9C, for 200000 ≤ n ≤ 350000
• 2009-01-18: Found n = 596823, Peter Benson
• 2009-01-05: Reserved by NPLB Drive 9A, for 50000 ≤ n ≤ 200000
• 2009-01-02: Found n = 565482, Peter Benson
• 2008-08-20: Checked n = 35000 - 50000, Karsten Bonath
• 2008-07-29: Checked n = 10000 - 35000, Karsten Bonath
• 2007-07-06: Checked to n = 10000, Gary Barnes
• 2006-04-03: Found n = 312394, Peter Benson