Riesel primes of the form 1097•2n-1

Current data

k , b : 1097 , 2 Count : 48 Nash : 2039 Max n : 1,900,000 Date : 2014-10-22

4, 6, 10, 14, 16, 38, 64, 66, 114, 316, 338, 756, 1076, 1352, 2530, 2884, 3496, 5110, 6378, 9208, 10836, 11268, 12498, 24766, 26348, 26566, 26678, 28594, 29544, 33232, 37054, 48556, 50446, 52728, 58636, 59026, 70954, 88354, 97492, 100972, 260156, 272074, 308000, 549280, 645874, 787588, 882398, 1206076

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
• 2013-08-12: Checked to n = 1400000, Peter Benson
• 2012-09-09: Checked to n = 1300000, Peter Benson
• 2012-04-04: Found n = 1206076, 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
• 2010-08-22: Found n = 882398, 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
• 2010-02-19: Found n = 787588, Peter Benson
• 2010-02-08: Checked to n = 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2009-06-28: Found n = 645874, 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
• 2008-12-24: Found n = 549280, Peter Benson
• 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
• 2006-03-18: Found n = 308000, Peter Benson
• 2005-07-21: Found n = 272074, Peter Benson
• 2005-05-25: Found n = 260156, Peter Benson