Riesel primes of the form 807•2n-1

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

Current data

k , b : 807 , {{{Rb}}} Count : 21 Nash : 764 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 4, 6, 9, 81, 126, 129, 486, 1081, 1713, 14737, 16636, 18297, 34926, 36126, 54126, 146886, 220602, 221116, 731802, 1136353

[[Category:Riesel {{{Rb}}}|#.....00807]][[Category:Riesel {{{Rb}}} Low-weight|#.....00807]]

History

• 2012-04-21: Found n = 1136353, Max Dettweiler
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
• 2009-11-01: Found n = 731802, Ian M. Gunn
• 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
• 2005-02-13: Found n = 221116, Steven Harvey
• 2005-02-13: Found n = 220602, Steven Harvey
• 2003-02-04: Found n = 146886, Michael Ian Hartley