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Riesel primes of the form 449•2ⁿ-1

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Revision as of 21:02, 13 August 2022 by Gd barnes (talk | contribs) (add history)

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

Current data

`k` , `b` :	449 , 2
Type :	Low
Count :	15
Nash :	590
Max `n` :	2,820,000
Date :	2024-03-09
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

112, 200, 1192, 1480, 1972, 2468, 4180, 4856, 10172, 114472, 309416, 546076, 1516108, 1579160, 1967140

History

2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
2022-07-24: Found n = 1967140, Florian Piesker
2018-10-28: Found n = 1579160, Dmitry Domanov
2017-10-13: Found n = 1516108, Timothy Sorbera
2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
2010-11-11: Checked to n = 1000000, NPLB Drive 5
2008-12-22: Checked to n = 600000, NPLB Drive 1
2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
2008-11-12: Found n = 546076, Gary Barnes
2008-03-25: Checked to n = 333200, NPLB Drive 2
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2002-10: Found n = 114472, Steven Harvey

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