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Riesel primes of the form 521•2ⁿ-1

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

Current data

`k` , `b` :	521 , 2
Type :	Low
Count :	17
Nash :	987
Max `n` :	2,820,000
Date :	2024-03-09
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

2, 6, 30, 34, 50, 54, 66, 170, 482, 16710, 32742, 55546, 134322, 192946, 286186, 522422, 759146

History

2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
2010-11-11: Checked to n = 1000000, NPLB Drive 5
2010-04-24: Found n = 759146, Gary Barnes
2008-12-22: Checked to n = 600000, NPLB Drive 1
2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
2008-08-21: Found n = 522422, James P. Burt
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
2003-01-26: Found n = 286186, Andrew J. Rupinski
2002-03-05: Found n = 192946, Andrew J. Rupinski
2002-01-17: Found n = 134322, Andrew J. Rupinski

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