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

Proth primes of the form 23•2ⁿ+1

From Prime-Wiki

Revision as of 10:43, 26 July 2021 by Karbon (talk | contribs) (hist 1979)

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

Jump to: navigation, search

Current data

`k` , `b` :	23 , 2
Type :	Low
Count :	19
Nash :	826
Max `n` :	1,520,000
Date :	2019-10-11

1, 9, 13, 29, 41, 49, 69, 73, 341, 381, 389, 649, 1961, 3929, 977541, 1399841, 1448461, 2425641^[1], 4300741^[2]

Notes

↑ Is GF Divisor of xGF(2425640,11,7)
↑ Is GF Divisor of xGF(4300740,9,5) [+1]

History

2019-10-11: Found n = 4300741, Nicholas Mohacsy, PrimeGrid
1979: Checked n = 1500 - 4000, Gordon V. Cormack, Hugh C. Williams
1979: Found n = 3929, Gordon V. Cormack, Hugh C. Williams
1979: Found n = 1961, Gordon V. Cormack, Hugh C. Williams

Retrieved from "https://www.rieselprime.de/z/index.php?title=Proth_prime_2_23&oldid=18228"