Riesel primes of the form 1005•2n-1

Current data

k , b : 1005 , 2 Type : 315 Count : 55 Nash : 2405 Max n : 1,900,000 Date : 2021-12-04

2, 3, 5, 6, 11, 12, 17, 42, 72, 177, 245, 339, 362, 410, 572, 576, 984, 1056, 1929, 3114, 3276, 3722, 4805, 4844, 5795, 6225, 13640, 14046, 16905, 18393, 18789, 19475, 21027, 29772, 33144, 40043, 40884, 58304, 114227, 149604, 172356, 210185, 563235, 717330, 861611, 1119171, 1165203, 1700883, 1765454, 1775235, 2097683, 2153712, 2372754, 2473724, 3349046

History

• 2021-12-04: Found n = 3349046, Andy Hedges
• 2021-07-18: Found n = 2473724, Andy Hedges
• 2021-07-08: Found n = 2372754, Andy Hedges
• 2021-02-21: Found n = 2153712, Andy Hedges
• 2021-02-04: Found n = 2097683, Andy Hedges
• 2014-10-22: Checked n = 1700000 - 1900000, Peter Benson
• 2014-07-23: Found n = 1775235, Peter Benson
• 2014-07-13: Found n = 1765454, Peter Benson
• 2014-05-15: Checked n = 1570000 - 1700000, Peter Benson
• 2014-02-04: Found n = 1700883, Peter Benson
• 2014-01-26: Checked n = 1400000 - 1570000, Peter Benson
• 2013-08-12: Checked n = 1300000 - 1400000, Peter Benson
• 2012-09-09: Checked n = 1200000 - 1300000, Peter Benson
• 2012-04-03: Checked n = 1100000 - 1200000, Peter Benson
• 2012-02-14: Found n = 1165203, Peter Benson
• 2011-10-23: Found n = 1119171, Peter Benson
• 2011-09-11: Checked n = 1000000 - 1100000, Peter Benson
• 2011-04-17: Checked n = 980000 - 1000000, Peter Benson
• 2011-03-12: Checked n = 960000 - 980000, Peter Benson
• 2011-02-04: Checked n = 940000 - 960000, Peter Benson
• 2011-01-02: Checked n = 920000 - 940000, Peter Benson
• 2010-11-20: Checked n = 900000 - 920000, Peter Benson
• 2010-10-09: Checked n = 880000 - 900000, Peter Benson
• 2010-08-15: Checked n = 860000 - 880000, Peter Benson
• 2010-07-02: Found n = 861611, Peter Benson
• 2010-06-27: Checked n = 840000 - 860000, Peter Benson
• 2010-05-21: Checked n = 820000 - 840000, Peter Benson
• 2010-04-10: Checked n = 800000 - 820000, Peter Benson
• 2010-03-09: Checked n = 780000 - 800000, Peter Benson
• 2010-02-08: Checked n = 770000 - 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2009-08-30: Found n = 717330, Peter Benson
• 2009-02-23: Checked n = 350000 - 479264, NPLB Drive 9D, results fill-in only, released
• 2009-02-16: Checked n = 200000 - 350000, NPLB Drive 9C, results fill-in only, released
• 2009-01-28: Checked n = 50000 - 200000, NPLB Drive 9A, released
• 2009-01-21: Reserved by NPLB Drive 9D, for n = 350000 - 479264 results fill-in only
• 2009-01-21: Reserved by NPLB Drive 9C, for n = 200000 - 350000 results fill-in only
• 2009-01-05: Reserved by NPLB Drive 9A, for n = 50000 - 200000
• 2009-01-03: Found n = 563235, Peter Benson
• 2008-08-20: Checked n = 35000 - 50000, Karsten Bonath
• 2008-07-29: Checked n = 10000 - 35000, Karsten Bonath
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes
• 2004-12-24: Found n = 210185, Peter Benson
• 2004-09-13: Found n = 172356, Peter Benson