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Riesel primes of the form 925•2ⁿ-1

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Revision as of 09:00, 11 April 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` :	925 , 2
Type :	Low
Count :	18
Nash :	986
Max `n` :	2,200,000
Date :	2024-07-30
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

5, 7, 53, 77, 91, 101, 185, 509, 691, 2419, 3607, 6257, 7361, 9475, 35521, 824371, 1155857, 1683077

History

2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2022-03-03: Found n = 1683077, Timothy Sorbera
2012-04-24: Found n = 1155857, Lennart Vogel
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
2011-03-27: Found n = 824371, Chris Chatfield
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
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

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