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Riesel primes of the form 457•2ⁿ-1

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Revision as of 21:07, 13 August 2022 by Gd barnes (talk | contribs) (add history)

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

Current data

`k` , `b` :	457 , 2
Type :	Low
Count :	14
Nash :	511
Max `n` :	2,800,000
Date :	2024-01-17
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

9, 33, 37, 93, 145, 273, 345, 865, 1437, 36597, 115665, 169929, 265533, 1413589

History

2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
2015-05-26: Found n = 1413589, Gary Barnes
2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
2010-11-11: Checked to n = 1000000, NPLB Drive 5
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
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2001-06-17: Found n = 169929, David A. Miller
2001-06-01: Found n = 115665, David A. Miller

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