Riesel primes of the form 731•2n-1

Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

k , b : 731 , {{{Rb}}} Count : Attention! Parameter RCount=18 not given! Nash : 775 Max n : 2,170,000 Date : 2024-04-02 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

14, 42, 98, 102, 114, 194, 374, 1302, 3282, 7234, 17590, 39910, 49138, 69902, 82634, 181722, 269598, 1294414

[[Category:Riesel {{{Rb}}}|#.....00731]][[Category:Riesel {{{Rb}}} Low-weight|#.....00731]]

History

• 2014-02-24: Found n = 1294414, Gary Barnes
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-03-05: Found n = 269598, James P. Burt
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2004-09-14: Found n = 181722, Steven Harvey