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Riesel primes of the form 591•2ⁿ-1

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Revision as of 21:38, 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` :	591 , 2
Type :	3
Count :	33
Nash :	1480
Max `n` :	2,820,000
Date :	2024-03-09
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

1, 5^[1], 15, 70, 83, 243, 281, 446, 553, 1670, 2062, 2211, 2981, 4453, 5422, 6725, 9213, 9875, 12398, 14366, 17283, 65021, 66085, 80631, 103053, 129421, 167081, 394441, 437973, 530223, 1458622, 1611590, 1820118

Notes

↑ Twin n=5

History

2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
2022-05-06: Found n = 1820118, Florian Piesker
2021-06-22: Found n = 1611590, Göran Schmidt
2017-05-07: Found n = 1458622, Timothy Sorbera
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
2008-08-18: Found n = 530223, Timothy Sorbera
2008-05-18: Found n = 437973, Bruce E. Slade
2008-03-28: Found n = 394441, Gary Barnes
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
2004-06-16: Found n = 167081, Steven Harvey
2003-07-15: Found n = 129421, Steven Harvey
2002-10: Found n = 103053, Steven Harvey

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