Riesel primes of the form 1973•2n-1

Current data

k , b : 1973 , 2 Count : 35 Nash : 1274 Max n : 1,000,000 Date : 2013-02-19

4, 6, 20, 34, 36, 106, 156, 190, 246, 460, 580, 622, 646, 1212, 2950, 3022, 3406, 3946, 5562, 5916, 17842, 22524, 24156, 26074, 27502, 30444, 32716, 54234, 64452, 122494, 169374, 316374, 490134, 588090, 954180

History

• 2013-02-19: Checked n = 500000 - 1000000, NPLB Drive 10, released
• 2012-11-30: Found n = 954180, Ian M. Gunn, NPLB Drive 10
• 2009-06-06: Checked n = 200000 - 350000, NPLB Drive 9B, released
• 2009-04-30: Found n = 588090, Vaughan Davies, NPLB Drive 10
• 2009-04-07: Checked n = 350000 - 500000, NPLB Drive 8, released
• 2009-03-31: Reserved by NPLB Drive 10, for n = 500000 - 1000000
• 2009-03-23: Found n = 490134, David James, NPLB Drive 10
• 2009-01-28: Checked n = 50000 - 200000, NPLB Drive 9A, released
• 2009-01-20: Reserved by NPLB Drive 9B, for n = 200000 - 350000
• 2009-01-05: Reserved by NPLB Drive 9A, for n = 50000 - 200000
• 2008-12-30: Reserved by NPLB Drive 8, for n = 350000 - 500000
• 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
• 1998-07-21: Found n = 27502, Wendy Hecate Hartman
• 1998-07-03: Found n = 3946, Henri Lifchitz