Riesel primes of the form 901•2n-1

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

Current data

k , b : 901 , {{{Rb}}} Count : 23 Nash : 1226 Max n : 2,170,000 Date : 2024-04-02 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 3, 7, 63, 91, 117, 127, 137, 217, 243, 293, 353, 413, 563, 3117, 4627, 8661, 9037, 14691, 15797, 25687, 137271, 530103

[[Category:Riesel {{{Rb}}}|#.....00901]]

History

• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
• 2008-08-04: Found n = 530103, Timothy Sorbera
• 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
• 2003-11-19: Found n = 137271, Steven Harvey