Riesel primes of the form 403•2n-1

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

Current data

k , b : 403 , {{{Rb}}} Count : 10 Nash : 608 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

11, 2235, 4055, 4611, 5951, 11679, 145991, 212027, 236111, 981831

[[Category:Riesel {{{Rb}}}|#.....00403]][[Category:Riesel {{{Rb}}} Low-weight|#.....00403]]

History

• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-11-02: 981831 confirmed, Brian Lody
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-12-14: Found n = 981831, James P. Burt
• 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
• 2003-12-06: Found n = 236111, Andrew J. Rupinski
• 2003-12-04: Found n = 212027, Andrew J. Rupinski
• 2003-08-15: Found n = 145991, Peter O'braian