Riesel primes of the form 1071•2n-1

Current data

k , b : 1071 , 2 Type : 3 Count : 56 Nash : 2625 Max n : 2,000,000 Date : 2024-06-19

1, 2, 6, 7, 9, 10, 14, 25, 42, 91, 101, 139, 274, 379, 415, 469, 475, 529, 562, 581, 594, 739, 790, 805, 811, 1206, 1226, 1337, 1549, 2185, 2482, 3181, 3422, 4255, 5190, 5226, 5354, 5382, 6594, 8466, 12646, 17957, 22274, 23545, 47397, 59314, 60534, 177594, 264875, 295030, 416615, 1444099, 1478005, 1647962, 1917749, 1928515

History

• 2024-06-19: Checked to n = 2000000, Gary Barnes, released
• 2016-02-06: Found n = 1928515, Peter Benson
• 2015-12-12: Found n = 1917749, Peter Benson
• 2014-10-22: Checked to n = 1900000, Peter Benson
• 2014-05-15: Checked to n = 1700000, Peter Benson
• 2014-04-01: Found n = 1647962, Peter Benson
• 2014-01-26: Checked to n = 1570000, Peter Benson
• 2013-12-02: Found n = 1444099, Peter Benson
• 2013-08-12: Checked to n = 1400000, Peter Benson
• 2013-05-17: Found n = 1478005, 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
• 2009-02-23: Checked to n = 479264, NPLB Drive 9D, released
• 2009-02-16: Checked to n = 350000, NPLB Drive 9C, released
• 2009-01-28: Checked to n = 200000, NPLB Drive 9A, released
• 2009-01-21: Reserved by NPLB Drive 9D, for 350000 ≤ n ≤ 479264 results fill-in only
• 2009-01-21: Reserved by NPLB Drive 9C, for 200000 ≤ n ≤ 350000 results fill-in only
• 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
• 2007-09-01: Found n = 416615, Peter Benson
• 2007-07-06: Checked to n = 10000, Gary Barnes
• 2005-11-13: Found n = 295030, Peter Benson
• 2005-06-14: Found n = 264875, Peter Benson
• 2004-10-15: Found n = 177594, Peter Benson