Riesel primes of the form 91•2n-1

Current data

k , b : 91 , {{{Rb}}} Count : 50 Nash : 2374 Max n : 2,000,000 Date : 2013-01-12

1, 3, 9, 13, 15, 17, 19, 23, 47, 57, 67, 73, 77, 81, 83, 191, 301, 321, 435, 867, 869, 917, 6009, 6051, 8077, 9003, 10355, 10719, 11217, 20197, 22011, 36379, 45373, 53441, 77013, 86329, 89853, 90341, 104783, 169779, 187407, 245989, 313849, 535819, 563469, 633169, 711335, 787173, 1026521, 1742093

[[Category:Riesel {{{Rb}}}|#.....00091]]

History

• 2013-01-12: Checked to n = 2000000, James P. Burt
• 2012-05-31: Checked to n = 1830000, James P. Burt
• 2012-05-19: Found n = 1742093, James P. Burt
• 2011-12-10: Checked to n = 1600000, James P. Burt
• 2011-05-07: Checked to n = 1300000, James P. Burt
• 2011-04-25: Reserved by James P. Burt
• 2010-02-11: Checked to n = 1120000, Predrag Minovic, released
• 2009-07-30: Reserved by Borys Jaworski from n=1120000
• 2009-01-10: Reserved by Predrag Minovic, for n=1030000-1070000
• 2008-12-25: Found n = 1026521, Predrag Minovic
• 2008-02-24: Checked to n = 780000, Predrag Minovic
• 2008-02-19: Found n = 787173, Predrag Minovic
• 2007-10-15: Found n = 711335, Predrag Minovic
• 2007-09-02: Found n = 633169, Ed Goforth, Predrag Minovic
• 2006-11-02: Found n = 563469, Predrag Minovic
• 2006-10-10: Found n = 535819, Predrag Minovic
• 2006-08-07: Found n = 313849, Thomas Ritschel
• 2005-01-25: Found n = 245989, Steven Harvey
• 2004-06-29: Found n = 187407, Steven Harvey
• 2004-06-28: Found n = 169779, Steven Harvey
• 1999-09-07: Found n = 45373, Tom Kuechler
• 1999-04-01: Found n = 36379, Tom Kuechler