Riesel primes of the form 401•2n-1

Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17.

Current data

k , b : 401 , {{{Rb}}} Count : 13 Nash : 737 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

10, 22, 238, 478, 1122, 1410, 6394, 8634, 58338, 71790, 90250, 362310, 524862

[[Category:Riesel {{{Rb}}}|#.....00401]][[Category:Riesel {{{Rb}}} Low-weight|#.....00401]]

History

• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-08-28: Found n = 524862, Gary Barnes
• 2008-03-25: Checked to n = 333200, NPLB Drive 2
• 2008-02-21: Found n = 362310, 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
• 2001-03-04: Found n = 90250, Kimmo Herranen
• 2001-03-04: Found n = 71790, Kimmo Herranen