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Riesel primes of the form 473•2ⁿ-1

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Revision as of 08:22, 2 August 2023 by Gd barnes (talk | contribs) (n=2533376)

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Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17.

Current data

`k` , `b` :	473 , 2
Count :	27
Nash :	1299
Max `n` :	2,820,000
Date :	2024-03-09
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

6, 36, 60, 66, 68, 140, 200, 738, 1526, 4460, 5118, 6984, 14574, 17448, 17778, 20226, 23864, 43628, 172100, 246354, 325256, 374414, 626184, 1063908, 1418790, 2130944, 2533376

History

2023-08-02: Found n = 2533376, Florian Piesker
2022-11-01: Found n = 2130944, Florian Piesker
2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
2015-07-16: Found n = 1418790, Gary Barnes
2011-11-09: Found n = 1063908, Sascha Beat Dinkel
2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
2010-11-11: Checked to n = 1000000, NPLB Drive 5
2009-01-31: Found n = 626184, Gary Barnes
2008-12-22: Checked to n = 600000, NPLB Drive 1
2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
2008-03-25: Checked to n = 333200, NPLB Drive 2
2008-03-11: Found n = 374414, James P. Burt
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2005-05-25: Found n = 246354, Shusuke Kubota
2004-07-12: Found n = 172100, Steven Harvey

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