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Riesel primes of the form 475•2ⁿ-1

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

Current data

`k` , `b` :	475 , {{{Rb}}}
Count :	30
Nash :	1676
Max `n` :	2,820,000
Date :	2024-03-09
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

5, 11, 15, 21, 35, 105, 141, 151, 185, 191, 355, 365, 943, 1905, 2247, 2901, 3687, 5681, 41177, 64043, 92051, 143585, 402945, 811407, 931763, 1089627, 1204215, 1290255, 1291353, 1464057

[[Category:Riesel {{{Rb}}}|#.....00475]]

History

2017-06-04: Found n = 1464057, Jussi Heino
2013-08-11: Found n = 1291353, Gary Barnes
2013-08-11: Found n = 1290255, Gary Barnes
2013-04-24: Found n = 1204215, Gary Barnes
2012-01-08: Found n = 1089627, Vaughan Davies
2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
2010-11-11: Checked to n = 1000000, NPLB Drive 5
2010-10-29: Found n = 931763, Lennart Vogel
2010-05-27: Found n = 811407, Lennart Vogel
2008-12-22: Checked to n = 600000, NPLB Drive 1
2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
2008-03-25: Checked to n = 333200, NPLB Drive 2
2008-03-09: Found n = 402945, 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
2001-05-13: Found n = 92051, Michael Ian Hartley

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