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 815•2ⁿ-1

From Prime-Wiki

Revision as of 09:54, 9 May 2022 by Gd barnes (talk | contribs) (add new prime)

(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` :	815 , 2
Count :	31
Nash :	1401
Max `n` :	2,170,000
Date :	2024-04-02
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

2, 14, 32, 56, 74, 128, 282, 416, 466, 1166, 1362, 1674, 2214, 3634, 4736, 7016, 36274, 45074, 58618, 125256, 147234, 265686, 349878, 409928, 488502, 658632, 790042, 1253904, 1365752, 1531386, 1709998

History

2022-05-09: Found n = 1709998, Oliver Kruse
2018-12-02: Found n = 1531386, Max Dettweiler
2014-10-30: Found n = 1365752, Lennart Vogel
2013-09-20: Found n = 1253904, 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
2011-02-11: Found n = 790042, David Stevens
2009-03-22: Found n = 658632, 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
2008-06-19: Found n = 488502, James P. Burt
2008-03-25: Checked to n = 333200, NPLB Drive 2, released
2008-03-13: Found n = 409928, James P. Burt
2008-02-14: Found n = 349878, David James
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_815&oldid=25632"