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

Fermat divisor

From Prime-Wiki
Revision as of 09:09, 7 September 2021 by Karbon (talk | contribs) (new)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

A Fermat divisor is a divisor of a Generalized Fermat number (in short a "GF Divisor").

Édouard Lucas showed:

If n ≥ 2 then a Fermat divisor of a Fermat number Fn is of the form k•2n+2+1 (so a Proth prime).

External links