Riesel primes of the form 107•2n-1

Current data

k , b : 107 , 2 Count : 35 Nash : 1447 Max n : 3,000,000 Date : 2021-03-21

10, 12, 18, 24, 28, 40, 90, 132, 214, 238, 322, 532, 858, 940, 2044, 5316, 6232, 7074, 8316, 15868, 45838, 46828, 48384, 50862, 57000, 69972, 153552, 162502, 267916, 306334, 471382, 494896, 1070256, 1362654, 2819922

History

• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2013-09-02: Checked to n = 3000000, Thomas Ritschel, released
• 2013-08-12: Found n = 2819922, Thomas Ritschel
• 2013-02-12: Checked to n = 2000000, Thomas Ritschel, released
• 2013-01-04: Checked to n = 1400000, Thomas Ritschel
• 2013-01-04: 1362654 confirmed, Thomas Ritschel
• 2012-12-28: Reserved by Thomas Ritschel from n=1100000
• 2012-11-06: Checked to n = 1100000, Adam Sutton, released
• 2009-07-05: Found n = 1362654, Adam Sutton
• 2008-08-08: Found n = 1070256, Adam Sutton
• 2008-02-29: Checked to n = 641000, Adam Sutton
• 2006-08-13: Checked to n = 600000, RPS Drive 2, released
• 2006-06-09: Found n = 494896, Larry Soule, RPS Drive 2
• 2006-05-26: Found n = 471382, Predrag Minovic, RPS Drive 2
• 2006-04-05: Found n = 306334, David Metcalfe, RPS Drive 2
• 2006-03-28: 267916 confirmed, Alexandre de Pereyra, RPS Drive 2
• 2006-03-17: Reserved by RPS Drive 2, for n = 210000 - 600000
• 2005-01-13: Found n = 267916, Ray Ballinger
• 2005-01-12: Checked to n = 210000, Steven Harvey, released
• 2005-01-10: Reserved by Steven Harvey from n=200000
• 2004-04-11: Found n = 162502, Jeffrey Sax
• 1994: Found n = 7074, Harvey Dubner