Riesel primes of the form 719•2n-1

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

Current data

k , b : 719 , {{{Rb}}} Count : 22 Nash : 899 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

4, 44, 60, 72, 100, 164, 276, 292, 300, 432, 472, 492, 984, 1020, 2812, 17072, 21312, 41320, 64956, 211952, 750292, 915504

[[Category:Riesel {{{Rb}}}|#.....00719]][[Category:Riesel {{{Rb}}} Low-weight|#.....00719]]

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 = 915504, Vaughan Davies
• 2010-05-23: Found n = 750292, Gary Barnes
• 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
• 2005-01-27: Found n = 211952, Steven Harvey