Riesel primes of the form 575•2n-1

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

Current data

k , b : 575 , {{{Rb}}} Count : 16 Nash : 857 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

4, 16, 88, 106, 194, 1250, 3158, 7478, 7826, 21446, 67006, 134716, 153638, 187858, 233608, 267964

[[Category:Riesel {{{Rb}}}|#.....00575]][[Category:Riesel {{{Rb}}} Low-weight|#.....00575]]

History

• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 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
• 2005-02-19: Found n = 233608, Jun Tajima
• 2004-08-30: Found n = 187858, Steven Harvey