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Riesel primes of the form 2293•2ⁿ-1

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Revision as of 22:08, 17 July 2024 by Gd barnes (talk | contribs) (add more history)

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Current data

`k` , `b` :	2293 , 2
Type :	Low
Count :	1
Nash :	202
Max `n` :	11,534,807
Date :	2021-05-01

History

2021-05-01: Checked to n = 11534807, PrimeGrid
2021-02-13: Found n = 12918431, Ryan Propper
2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
2010-11-19: Checked to n = 600000, NPLB Drive 11, released
2010-10-19: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000

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