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Riesel primes of the form 625•2ⁿ-1

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Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

`k` , `b` :	625 , 2
Count :	34
Nash :	1723
Max `n` :	2,200,000
Date :	2024-07-30
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

1, 3, 7, 15, 25, 45, 61, 81, 91, 165, 283, 387, 555, 891, 2139, 2335, 3093, 4833, 12079, 16413, 31431, 33837, 88347, 90735, 103203, 105183, 141033, 242577, 320155, 327291, 448261, 677325, 933969, 1509873

History

2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2018-05-17: Found n = 1509873, Max Dettweiler
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
2011-01-07: Found n = 933969, Scott Gilvey
2009-05-17: Found n = 677325, David James
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
2008-05-25: Found n = 448261, Glenn C. Kaiser
2008-03-25: Checked to n = 333200, NPLB Drive 2, released
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2003-04-17: Found n = 242577, Andrew J. Rupinski
2002-04-12: Found n = 141033, Andrew J. Rupinski
2002-01-27: Found n = 105183, Andrew J. Rupinski
2002-01-27: Found n = 103203, Andrew J. Rupinski
2002-01-26: Found n = 90735, Andrew J. Rupinski
2002-01-26: Found n = 88347, Andrew J. Rupinski

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