Riesel primes of the form 607•2n-1

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

Current data

k , b : 607 , {{{Rb}}} Count : Attention! Parameter RCount=20 not given! Nash : 1122 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 5, 21, 25, 57, 133, 285, 313, 725, 1113, 1493, 33145, 49493, 134213, 299337, 530957, 644861, 670861, 1299277, 1510953

[[Category:Riesel {{{Rb}}}|#.....00607]]

History

• 2018-05-25: Found n = 1510953, Johnathan Chu
• 2014-03-15: Found n = 1299277, Gary Barnes
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2009-05-14: Found n = 670861, Gary Barnes
• 2009-05-02: Found n = 644861, 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
• 2008-08-31: Found n = 530957, Carlos Eduardo Pinho
• 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
• 2003-02-10: Found n = 134213, Andrew J. Rupinski