Riesel primes of the form 407•2n-1

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

Current data

k , b : 407 , {{{Rb}}} Count : 13 Nash : 746 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 182, 290, 734, 782, 806, 1226, 15104, 15976, 31826, 135146, 769166, 1025072

[[Category:Riesel {{{Rb}}}|#.....00407]][[Category:Riesel {{{Rb}}} Low-weight|#.....00407]]

History

• 2011-08-17: Found n = 1025072, Chris Chatfield
• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-05-02: Found n = 769166, Gary Barnes
• 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
• 2002-05-11: Found n = 135146, Peter O'braian