Riesel primes of the form 1143•2n-1

Current data

k , b : 1143 , 2 Type : 3 Count : 34 Nash : 1730 Max n : 1,900,000 Date : 2014-10-22

4, 12, 19, 31, 48, 58, 99, 120, 202, 252, 267, 292, 379, 487, 778, 796, 946, 1212, 1354, 1522, 2314, 5559, 6759, 14407, 18259, 30052, 129412, 200116, 307539, 496336, 525912, 527131, 580320, 720424

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
• 2012-04-03: Checked to n = 1200000, Peter Benson
• 2011-11-01: 496336 confirmed, Max Dettweiler, Twin Prime Search 480000
• 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
• 2009-09-03: Found n = 720424, Peter Benson
• 2009-04-04: Found n = 580320, Peter Benson
• 2009-02-07: Found n = 527131, Peter Benson
• 2009-02-07: Found n = 525912, Peter Benson
• 2009-01-11: Found n = 496336, Peter Benson
• 2006-03-18: Found n = 307539, Peter Benson
• 2005-01-02: Found n = 200116, Peter Benson