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Riesel primes of the form 607•2ⁿ-1

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Revision as of 14:58, 22 January 2023 by Gd barnes (talk | contribs) (add history)

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

Current data

`k` , `b` :	607 , 2
Count :	22
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, 1888525, 1942565

History

2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2023-01-20: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-10: Found n = 1942565, Max Dettweiler
2022-12-25: Found n = 1888525, Max Dettweiler
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

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