Riesel primes of the form 839•2n-1

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

Current data

k , b : 839 , {{{Rb}}} Count : 18 Nash : 909 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

8, 40, 56, 88, 128, 180, 360, 376, 1100, 1888, 2460, 3276, 8556, 9288, 36556, 67296, 288848, 1063280

[[Category:Riesel {{{Rb}}}|#.....00839]][[Category:Riesel {{{Rb}}} Low-weight|#.....00839]]

History

• 2012-03-03: Found n = 1063280, 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
• 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