Riesel primes of the form 1021•2n-1

Current data

k , b : 1021 , {{{Rb}}} Count : 46 Nash : 1774 Max n : 1,900,000 Date : 2014-10-22

3, 7, 19, 21, 33, 45, 59, 81, 117, 123, 151, 183, 199, 441, 991, 1583, 1891, 2383, 3423, 4959, 5039, 8397, 8673, 10011, 14673, 23283, 30477, 31783, 36575, 41467, 42803, 45379, 82879, 104455, 105811, 114273, 201327, 227403, 599175, 600729, 688833, 851199, 871353, 1548585, 1827279, 1833459

[[Category:Riesel {{{Rb}}}|#.....01021]]

History

• 2014-10-22: Checked to n = 1900000, Peter Benson
• 2014-08-21: Found n = 1833459, Peter Benson
• 2014-05-15: Checked to n = 1700000, Peter Benson
• 2014-01-26: Checked to n = 1570000, Peter Benson
• 2014-01-08: Found n = 1548585, Peter Benson
• 2013-09-26: Found n = 1827279, 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
• 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
• 2010-07-27: Found n = 871353, Peter Benson
• 2010-06-27: Checked to n = 860000, Peter Benson
• 2010-06-06: Found n = 851199, 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 = 688833, Peter Benson
• 2009-04-27: Found n = 600729, Peter Benson
• 2009-02-24: Checked to n = 200000, NPLB Drive 9D, released
• 2009-02-16: Checked to n = 200000, NPLB Drive 9C, released
• 2009-01-25: Checked to n = 200000, NPLB Drive 9A, released
• 2009-01-24: Found n = 599175, Peter Benson
• 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
• 2007-07-06: Checked to n = 10000, Gary Barnes
• 2005-02-10: Found n = 227403, Peter Benson
• 2004-12-03: Found n = 201327, Peter Benson