Riesel primes of the form 3177•2n-1

Current data

k , b : 3177 , 2 Type : 3 Count : 60 Nash : 2769 Max n : 600,000 Date : 2021-06-13

1, 5, 8, 26, 29, 37, 40, 42, 53, 82, 86, 93, 129, 149, 172, 180, 198, 221, 288, 369, 378, 560, 730, 785, 1002, 2429, 3340, 3678, 3741, 9185, 10869, 11758, 12189, 18385, 18942, 21229, 23529, 23546, 29201, 33358, 33430, 34129, 39648, 44810, 62990, 65006, 70110, 94509, 112785, 116190, 130305, 171782, 193173, 212606, 460902, 491485, 497296, 513073, 576110, 7954621

History

• 2021-06-13: Found n = 7954621, Ryan Propper
• 2014-08-04: Checked n = 200000 - 400000, Karsten Bonath
• 2012-05-08: Checked n = 1 - 200000, Oscar Tutusaus Santandreu
• 2011-05-01: Checked n = 420259 - 600000, NPLB Mini Drive 2, released
• 2010-10-23: Found n = 576110, Johnathan Chu, NPLB Mini Drive 2
• 2010-05-04: Found n = 513073, Johnathan Chu, NPLB Mini Drive 2
• 2010-01-21: Found n = 497296, Johnathan Chu, NPLB Mini Drive 2
• 2009-12-31: Found n = 491485, Karsten Bonath, NPLB Mini Drive 2
• 2009-10-10: Found n = 460902, Johnathan Chu, NPLB Mini Drive 2
• 2009-07-03: Checked n = 20000 - 50000, Karsten Bonath
• 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
• 2009-04-09: Reserved by NPLB Mini Drive 2, for n = 420259 - 600000
• 2009-04-06: Checked n = 420000 - 420258, Chris Chatfield
• 2009-03-31: Checked n = 410000 - 420000, Chris Chatfield
• 2009-03-07: Checked n = 400000 - 410000, Chris Chatfield
• 2009-02-07: Reserved by Chris Chatfield, from n = 400000
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes