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Riesel primes of the form 903•2ⁿ-1

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

Current data

`k` , `b` :	903 , 2
Type :	3
Count :	31
Nash :	1894
Max `n` :	2,200,000
Date :	2024-07-30
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

4^[1], 6^[2], 16, 104, 174, 492, 536, 592, 776, 934, 1176, 1332, 1596, 3792, 4604, 10227, 13496, 18554, 24459, 59804, 77139, 101564, 105664, 164112, 262619, 363939, 600124, 1006812, 1382286, 1549834, 1683584

Notes

↑ Twin n=4
↑ Twin n=6

History

2022-03-03: Found n = 1683584, Gary Barnes
2019-12-19: Found n = 1549834, Gary Barnes
2014-12-02: Found n = 1382286, Lennart Vogel
2012-02-17: Found n = 1006812, Max Dettweiler
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-21: Found n = 600124, Ian M. Gunn
2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
2008-03-25: Checked to n = 333200, NPLB Drive 2, released
2008-02-22: Found n = 363939, Gary Barnes
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2003-01-04: Found n = 105664, Steven Harvey
2003-01-04: Found n = 101564, Steven Harvey
2001-06-05: Found n = 77139, Mark Rodenkirch

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