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Riesel primes of the form 905•2ⁿ-1

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

Current data

`k` , `b` :	905 , 2
Type :	Low
Count :	17
Nash :	810
Max `n` :	2,170,000
Date :	2024-04-02
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

4, 16, 40, 60, 244, 516, 520, 708, 1776, 2308, 9568, 10308, 154984, 382036, 652908, 772528, 1742026

History

2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2022-06-20: 1742026 confirmed, Göran Schmidt
2014-01-09: Found n = 1742026, Kenneth Egtved Pedersen
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
2011-02-03: Found n = 772528, Vaughan Davies
2009-03-13: Found n = 652908, Ian M. Gunn
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
2008-03-16: Found n = 382036, 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

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