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 509•2ⁿ-1

From Prime-Wiki

Revision as of 11:51, 28 July 2021 by Karbon (talk | contribs) (base)

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

Jump to: navigation, search

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

Current data

`k` , `b` :	509 , 2
Type :	Low
Count :	6
Nash :	475
Max `n` :	2,820,000
Date :	2024-03-09
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

8, 648, 3856, 5016, 227576, 415448

History

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
2008-04-18: Found n = 415448, Karsten Bonath
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
2003-06-29: Found n = 227576, Andrew J. Rupinski

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_509&oldid=18636"

Hidden category:

Karsten Bonath/PrimesFound