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

Generalized Cullen primes of the form `n`•20ⁿ+1

From Prime-Wiki

Revision as of 17:49, 31 May 2023 by Rogue (talk | contribs) (Updated range)

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

Jump to: navigation, search

Current data

ASCII format :	n*20^n+1
Base :	20
Count :	10
Max `n` :	1,000,000
Date :	2023-05-20

3, 6207, 8076, 22356, 151456, 329994, 364595, 612497, 793181, 993149

History

2023-05-20: Checked to n = 1000000, Ryan Propper, released
2023-05-20: Found n = 993149, Ryan Propper
2023-05-19: Found n = 793181, Ryan Propper
2023-05-18: Reserved by Ryan Propper to n=1000000
2023-04-25: Checked to n = 100000, Mark Rodenkirch, double-checked
?: Checked to n = 219976, (?)
2011-12-21: Found n = 151456, Günter Löh
2000-06-04: Found n = 22356, Günter Löh
2000-02-07: Found n = 8076, Günter Löh
2000-01-31: Found n = 6207, Günter Löh

Retrieved from "https://www.rieselprime.de/z/index.php?title=Cullen_prime_20&oldid=28979"

Cullen prime