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Riesel primes of the form 617•2ⁿ-1

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

Current data

`k` , `b` :	617 , 2
Count :	26
Nash :	1340
Max `n` :	2,170,000
Date :	2024-04-02
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

2, 4, 8, 14, 76, 92, 104, 116, 188, 274, 436, 632, 644, 988, 1514, 1708, 7034, 15728, 15872, 94748, 147022, 193822, 431464, 695452, 1175468, 1451432

History

2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2017-04-15: Found n = 1451432, Max Dettweiler
2012-05-10: 1175468 confirmed, Brian Lody
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
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
2007-12-02: Checked to n = 1200000, Borys Jaworski
2007-10-21: Checked to n = 1100000, Borys Jaworski
2007-11-13: Found n = 1175468, Borys Jaworski
2006-10-10: Found n = 695452, Borys Jaworski
2006-05-10: Found n = 431464, Borys Jaworski
2002-12-19: Found n = 193822, Dennis Okon
2002-12-19: Found n = 147022, Dennis Okon
2002-06-15: Found n = 94748, Kimmo Herranen

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