Riesel primes of the form 637•2n-1

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

Current data

k , b : 637 , {{{Rb}}} Count : 11 Nash : 401 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

9, 17, 49, 81, 457, 5489, 8297, 55713, 58993, 83969, 154233

[[Category:Riesel {{{Rb}}}|#.....00637]][[Category:Riesel {{{Rb}}} Low-weight|#.....00637]]

History

• 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
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2001-12-31: Found n = 154233, James S. Griffin
• 2001-12-31: Found n = 83969, James S. Griffin