Riesel primes of the form 1085•2n-1

Current data

k , b : 1085 , 2 Count : 44 Nash : 2867 Max n : 1,900,000 Date : 2014-10-22

2, 4, 6, 12, 26, 28, 30, 36, 74, 92, 96, 104, 162, 164, 204, 238, 286, 314, 336, 402, 422, 520, 532, 616, 1722, 1852, 2238, 2338, 3876, 4192, 6960, 14456, 31506, 44120, 99608, 125092, 156688, 436396, 438666, 626920, 817644, 1352556, 1366270, 1453676

History

• 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
• 2013-04-03: Found n = 1366270, Peter Benson
• 2013-01-30: Found n = 1352556, Peter Benson
• 2012-11-17: Found n = 1453676, Peter Benson
• 2012-09-09: Checked to n = 1300000, Peter Benson
• 2012-04-03: Checked to n = 1200000, Peter Benson
• 2011-09-11: Checked to n = 1100000, Peter Benson
• 2011-04-17: Checked to n = 1000000, Peter Benson
• 2011-03-12: Checked to n = 980000, 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
• 2010-10-09: 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
• 2010-04-05: Found n = 817644, 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
• 2009-06-25: Found n = 626920, 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
• 2009-01-05: Reserved by NPLB Drive 9A, for 50000 ≤ n ≤ 200000
• 2008-08-20: Checked n = 35000-50000, Karsten Bonath
• 2008-07-29: Checked n = 10000-35000, Karsten Bonath
• 2007-12-01: Found n = 438666, Peter Benson
• 2007-11-25: Found n = 436396, Peter Benson
• 2007-07-06: Checked to n = 10000, Gary Barnes