Riesel primes of the form 1047•2n-1

Current data

k , b : 1047 , 2 Type : 3 Count : 39 Nash : 2408 Max n : 1,900,000 Date : 2014-10-22

5, 21, 32, 33, 96, 108, 204, 324, 348, 482, 677, 746, 792, 1368, 1724, 2601, 2700, 6660, 10677, 17393, 21152, 21386, 25916, 27396, 27566, 31412, 33477, 50033, 54158, 81032, 105974, 111341, 112293, 177542, 346565, 472098, 503708, 1383252, 1494761

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
• 2013-12-08: Found n = 1494761, Peter Benson
• 2013-08-12: Checked to n = 1400000, Peter Benson
• 2013-06-10: Found n = 1383252, 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
• 2010-03-09: Checked to n = 800000, Peter Benson
• 2010-02-08: Checked to n = 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2009-02-24: 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
• 2008-12-26: Found n = 503708, Peter Benson
• 2008-08-20: Checked n = 35000 - 50000, Karsten Bonath
• 2008-07-29: Checked n = 10000 - 35000, Karsten Bonath
• 2008-03-08: Found n = 472098, Peter Benson
• 2007-07-06: Checked to n = 10000, Gary Barnes
• 2006-12-17: Found n = 346565, Peter Benson
• 2004-09-23: Found n = 177542, Peter Benson