Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).

Navigation

Topics

Help • Register • News • History • How to • Sequences statistics • Template prototypes

Riesel primes of the form 793•2ⁿ-1

From Prime-Wiki

Revision as of 05:23, 14 March 2023 by Gd barnes (talk | contribs) (add history)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to: navigation, search

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

Current data

`k` , `b` :	793 , 2
Type :	Low
Count :	22
Nash :	959
Max `n` :	2,200,000
Date :	2024-07-30
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

3, 7, 15, 19, 127, 163, 231, 1303, 1383, 4575, 4819, 6459, 10203, 54259, 350743, 368011, 516715, 649747, 951963, 1157055, 1256511, 1829335

History

2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2022-10-23: Found n = 1829335, Gary Barnes
2013-09-29: Found n = 1256511, Gary Barnes
2012-04-25: Found n = 1157055, Lennart Vogel
2012-02-21: 1019935 not prime, Brian Lody, number was proved composite
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
2011-01-09: Found n = 951963, Brian Lody
2009-05-05: Found n = 649747, David James
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
2008-08-09: Found n = 516715, Gary Barnes
2008-03-25: Checked to n = 333200, NPLB Drive 2, released
2008-02-29: Found n = 368011, James P. Burt
2008-02-14: Found n = 350743, 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

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_793&oldid=27154"