Riesel primes of the form 1015•2n-1

Current data

k , b : 1015 , 2 Count : 50 Nash : 2519 Max n : 1,900,000 Date : 2014-10-22

1, 5, 7, 11, 29, 31, 39, 63, 73, 85, 165, 307, 409, 441, 549, 757, 955, 1013, 1025, 1043, 1165, 1787, 1997, 2127, 2135, 2551, 2595, 3047, 4455, 10469, 16301, 33061, 36511, 45563, 57691, 89695, 100099, 195853, 212403, 237103, 293457, 434633, 604823, 618271, 762167, 1122611, 1179433, 1283425, 1311187, 1520177

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
• 2013-12-23: Found n = 1520177, Peter Benson
• 2013-08-12: Checked to n = 1400000, Peter Benson
• 2012-09-12: Found n = 1311187, Peter Benson
• 2012-09-09: Checked to n = 1300000, Peter Benson
• 2012-07-23: Found n = 1283425, Peter Benson
• 2012-04-03: Checked to n = 1200000, Peter Benson
• 2012-03-07: Found n = 1179433, Peter Benson
• 2011-10-31: Found n = 1122611, 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
• 2010-03-09: Checked to n = 800000, Peter Benson
• 2010-02-08: Checked to n = 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2010-01-14: Found n = 762167, Peter Benson
• 2009-04-26: Found n = 618271, Peter Benson
• 2009-04-21: Found n = 604823, 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
• 2007-11-18: Found n = 434633, Peter Benson
• 2007-07-06: Checked to n = 10000, Gary Barnes
• 2005-11-03: Found n = 293457, Peter Benson
• 2005-03-12: Found n = 237103, Peter Benson
• 2004-12-31: Found n = 212403, Peter Benson
• 2004-11-18: Found n = 195853, Peter Benson