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Riesel primes of the form 919•2ⁿ-1

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Revision as of 19:14, 18 March 2022 by Gd barnes (talk | contribs) (add new prime)

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

Current data

`k` , `b` :	919 , 2
Count :	27
Nash :	1517
Max `n` :	2,200,000
Date :	2024-07-30
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

3, 19, 55, 115, 145, 237, 435, 619, 663, 1399, 1807, 2235, 2707, 4459, 35673, 54249, 76945, 84393, 109047, 110773, 117535, 260767, 358345, 402729, 996819, 1335567, 1699197

History

2022-03-18: Found n = 1699197, Gary Barnes
2014-08-26: Found n = 1335567, Gary Barnes
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
2011-07-09: Found n = 996819, Gary Barnes
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
2008-03-25: Checked to n = 333200, NPLB Drive 2, released
2008-03-09: Found n = 402729, James P. Burt
2008-02-19: Found n = 358345, James P. Burt
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2003-05-16: Found n = 117535, Steven Harvey
2003-05-15: Found n = 110773, Steven Harvey
2003-01-06: Found n = 109047, Steven Harvey
2001-06-26: Found n = 84393, Kimmo Herranen
2001-06-26: Found n = 76945, Kimmo Herranen

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