Riesel primes of the form 2001•2n-1

Current data

k , b : 2001 , 2 Type : 3 Count : 59 Nash : 2998 Max n : 1,300,000 Date : 2015-05-18

1, 3, 9, 14, 19, 26, 29, 34, 39, 50, 53, 71, 93, 119, 169, 211, 213, 513, 551, 809, 1081, 1106, 1226, 1923, 2071, 2123, 2141, 2811, 3291, 4617, 4857, 5257, 5714, 7153, 7801, 8063, 10329, 11863, 13274, 15401, 16597, 27358, 27759, 29277, 54843, 58406, 78579, 119751, 287959, 294026, 433021, 469931, 559078, 835849, 942449, 1116323, 1172969, 1277109, 1296278

History

• 2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
• 2014-12-04: Checked n = 600000 - 666666, Dmitry Domanov
• 2014-12-04: Checked to n = 1300000, Dmitry Domanov, released
• 2014-10-09: Found n = 1296278, Dmitry Domanov
• 2014-10-07: Found n = 1277109, Dmitry Domanov
• 2014-09-16: Checked to n = 1250000, Dmitry Domanov
• 2014-07-15: Checked to n = 1200000, Dmitry Domanov
• 2014-05-29: Found n = 1172969, Dmitry Domanov
• 2014-05-29: Checked to n = 1150000, Dmitry Domanov
• 2014-05-23: Reserved by Dmitry Domanov, for n=1130000-1150000
• 2013-12-09: Checked to n = 1130000, Michael Curtis
• 2013-11-12: Checked to n = 1100000, Dmitry Domanov
• 2013-11-12: Found n = 1116323, Michael Curtis
• 2013-10-21: Reserved by Michael Curtis, for n=1100000-1130000
• 2013-10-21: Reserved by Dmitry Domanov, for n ≤ 1100000
• 2013-10-06: Checked to n = 1050000, Dmitry Domanov
• 2013-10-02: Reserved by Dmitry Domanov, for n=1025000-1050000
• 2013-08-30: Checked to n = 1025000, RPS Drive 11, released
• 2012-05-27: Found n = 942449, Larry Soule, RPS Drive 11
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
• 2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
• 2011-12-21: Found n = 835849, 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
• 2010-05-15: Found n = 559078, 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
• 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
• 2009-08-11: Found n = 469931, Vaughan Davies, NPLB Drive 11
• 2009-06-30: Found n = 433021, 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