Riesel primes of the form 249•2n-1

Current data

k , b : 249 , {{{Rb}}} Count : 24 Nash : 1592 Max n : 2,000,000 Date : 2020-03-13

8, 9, 12, 41, 57, 156, 201, 249, 612, 956, 1617, 2064, 2091, 2547, 4512, 5696, 9608, 11444, 20556, 33896, 77079, 89004, 251036, 2001627

[[Category:Riesel {{{Rb}}}|#.....00249]]

History

• 2020-03-13: Checked to n = 2000000, Michael Curtis, released
• 2015-02-19: Found n = 2001627, Michael Curtis
• 2015-02-18: Reserved by Michael Curtis from n=2000000
• 2013-03-30: Checked to n = 2000000, David Metcalfe, released
• 2013-02-02: Reserved by David Metcalfe from n=1300000
• 2012-05-14: Checked to n = 1300000, James P. Burt, released
• 2011-12-31: Checked to n = 1100000, James P. Burt
• 2011-12-10: Reserved by James P. Burt from n=1000000
• 2009-07-30: Reserved by Borys Jaworski from n=1000000
• 2005-11-26: Found n = 251036, Jun Tajima