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Riesel primes of the form 523•2ⁿ-1

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

Current data

`k` , `b` :	523 , 2
Count :	22
Nash :	1167
Max `n` :	2,820,000
Date :	2024-03-09
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

7, 15, 23, 27, 39, 63, 79, 183, 363, 459, 2019, 2759, 3795, 9399, 14075, 17215, 31547, 46435, 274027, 459675, 1062947, 1686307

History

2022-03-05: Found n = 1686307, Florian Piesker
2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
2010-11-11: Checked to n = 1000000, NPLB Drive 5
2011-11-10: Found n = 1062947, Max Dettweiler
2008-12-22: Checked to n = 600000, NPLB Drive 1
2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
2008-05-27: Found n = 459675, Carlos Eduardo Pinho
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

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