Riesel primes of the form 495•2n-1

Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17.

Current data

k , b : 495 , {{{Rb}}} Count : 80 Nash : 3715 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 4, 8, 9, 16, 21, 33, 44, 59, 65, 91, 93, 114, 140, 149, 182, 280, 283, 294, 302, 328, 332, 347, 403, 532, 712, 717, 982, 985, 1294, 1570, 1840, 2416, 3030, 3211, 3237, 4891, 5404, 5718, 5905, 5947, 6386, 6916, 10877, 13709, 18153, 18330, 18402, 18452, 28723, 34330, 36553, 36628, 39676, 50833, 62717, 71560, 73873, 111521, 130022, 136822, 140021, 142411, 147400, 217588, 229168, 252700, 262360, 281944, 282670, 287598, 325070, 338804, 353869, 364781, 704130, 712468, 732566, 734277, 820086

[[Category:Riesel {{{Rb}}}|#.....00495]]

History

• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-06-05: Found n = 820086, Lennart Vogel
• 2009-11-02: Found n = 734277, Gary Barnes
• 2009-10-28: Found n = 732566, Gary Barnes
• 2009-09-02: Found n = 712468, Vaughan Davies
• 2009-07-22: Found n = 704130, Vaughan Davies
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-03-25: Checked to n = 333200, NPLB Drive 2
• 2008-02-23: Found n = 364781, James P. Burt
• 2008-03-11: Found n = 353869, Karsten Bonath
• 2008-02-23: Found n = 282670, Adam Sutton
• 2008-02-17: Found n = 262360, Max Dettweiler
• 2008-02-01: Found n = 338804, Carlos Eduardo Pinho
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2005-11-07: Found n = 252700, James S. Griffin
• 2004-11-16: Found n = 229168, Steven Harvey
• 2004-11-15: Found n = 217588, Steven Harvey
• 2003-03-14: Found n = 111521, Steven Harvey
• 2001-06-06: Found n = 73873, Sander Hoogendoorn
• 2001-06-01: Found n = 71560, Sander Hoogendoorn