Riesel primes of the form 157•2n-1

Reserved! This sequence is currently part of Multi Reservation 5: CRUS Liskovets-Gallot.

Current data

k , b : 157 , {{{Rb}}} Count : 29 Nash : 917 Max n : 5,000,000 Date : 2023-07-11 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

1, 5, 33, 97, 121, 125, 305, 445, 473, 513, 1581, 3077, 3517, 6345, 8797, 15265, 16641, 32185, 32581, 43905, 77025, 84377, 202345, 230777, 234401, 473073, 802321, 869073, 1085121

[[Category:Riesel {{{Rb}}}|#.....00157]][[Category:Riesel {{{Rb}}} Low-weight|#.....00157]]

History

• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2011-06-04: Found n = 1085121, David Metcalfe
• 2009-07-30: Reserved by Borys Jaworski from n=1000000
• 2009-01-11: Checked to n = 1000000, Gary Barnes
• 2009-01-11: none, Gary Barnes unreserved by Max Dettweiler
• 2008-05-18: Found n = 869073, Max Dettweiler
• 2008-05-02: Found n = 802321, Max Dettweiler
• 2008-03-03: Reserved by Max Dettweiler from n=500000
• 2006-03-15: Found n = 473073, Thomas Ritschel
• 2004-06-02: Found n = 234401, Thomas Ritschel
• 2004-06-02: Found n = 230777, Thomas Ritschel
• 2004-06-01: Found n = 202345, Thomas Ritschel
• 2000-01-17: Found n = 43905, Tom Kuechler