Riesel primes of the form 611•2n-1

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

Current data

k , b : 611 , {{{Rb}}} Count : 29 Nash : 1041 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

6, 10, 18, 22, 34, 42, 78, 130, 262, 394, 726, 810, 1974, 2002, 2074, 2686, 2742, 5074, 5098, 10450, 11478, 16942, 19042, 60274, 77266, 102222, 143566, 280770, 916918

[[Category:Riesel {{{Rb}}}|#.....00611]]

History

• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2011-01-06: Found n = 916918, Vaughan Davies
• 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
• 2002-12-06: Found n = 102222, Steven Harvey