Riesel primes of the form 851•2n-1

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

Current data

k , b : 851 , {{{Rb}}} Count : 17 Nash : 741 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

14, 50, 146, 210, 270, 354, 566, 894, 8114, 15546, 16970, 19214, 20886, 86054, 801966, 999854, 1153586

[[Category:Riesel {{{Rb}}}|#.....00851]][[Category:Riesel {{{Rb}}} Low-weight|#.....00851]]

History

• 2012-04-24: Found n = 1153586, Brian Lody
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
• 2011-07-05: Found n = 999854, Lennart Vogel
• 2011-03-01: Found n = 801966, Chris Chatfield
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000