Riesel primes of the form 553•2n-1

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

Current data

k , b : 553 , {{{Rb}}} Count : 23 Nash : 985 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

3, 7, 39, 63, 87, 95, 235, 567, 603, 975, 1487, 2203, 2815, 2955, 5483, 5803, 6935, 18407, 41235, 55415, 102495, 127499, 1143639

[[Category:Riesel {{{Rb}}}|#.....00553]][[Category:Riesel {{{Rb}}} Low-weight|#.....00553]]

History

• 2012-09-22: Found n = 1143639, Lennart Vogel
• 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
• 2008-03-25: Checked to n = 333200, NPLB Drive 2
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2003-07-25: Found n = 127499, Steven Harvey
• 2002-11-22: Found n = 102495, Steven Harvey