Riesel primes of the form 291•2n-1

Current data

k , b : 291 , {{{Rb}}} Count : 47 Nash : 1969 Max n : 2,000,000 Date : 2013-04-12

2, 5, 9, 11, 17, 21, 29, 30, 33, 50, 59, 62, 137, 161, 281, 290, 533, 842, 1410, 1553, 4794, 5529, 5661, 7013, 7470, 19605, 63477, 72513, 152942, 201494, 220562, 236117, 291705, 313433, 372342, 386430, 389225, 531347, 565917, 810347, 832410, 934097, 996371, 1257405, 1534413, 1705173, 1907541

[[Category:Riesel {{{Rb}}}|#.....00291]][[Category:Riesel {{{Rb}}} Missing-range‎|#.....00291]]

History

• 2013-04-12: Checked to n = 2000000, Thomas Ritschel, released
• 2013-04-04: Found n = 1907541, Michael Curtis
• 2013-03-20: Found n = 1705173, Thomas Ritschel
• 2013-03-15: Found n = 1534413, Thomas Ritschel
• 2013-03-10: Reserved by Thomas Ritschel from n=1300000
• 2012-05-14: Checked to n = 1300000, James P. Burt, released
• 2012-05-07: Found n = 1257405, James P. Burt
• 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
• 2008-06-19: Found n = 996371, David Metcalfe
• 2008-04-03: Found n = 934097, David Metcalfe
• 2007-12-05: Found n = 832410, David Metcalfe
• 2007-11-23: Found n = 810347, Karsten Bonath
• 2007-03-14: Found n = 565917, David Metcalfe
• 2007-02-04: Found n = 531347, David Metcalfe
• 2006-12-03: Found n = 389225, David Metcalfe
• 2006-12-04: Found n = 386430, Thomas Ritschel
• 2006-11-30: Found n = 372342, Larry Soule
• 2006-11-27: Found n = 313433, J. Craig Brunson
• 2006-11-15: Found n = 291705, David Metcalfe
• 2005-03-20: Found n = 236117, James S. Griffin
• 2005-01-22: Found n = 220562, Steven Harvey
• 2005-01-11: Found n = 201494, Steven Harvey
• 2000-11-22: Found n = 152942, Janusz Szmidt
• 2000-05-17: Found n = 63477, Phil Carmody