Fermat Number

Links to this page
Edit this page
Entry portal
Advice For New Users

A number of the form $2^{2^n}+1.$ Pierre de Fermat noticed that the first few are all prime numbers and thought they might all be, but that turns out not to be true. Numbers of this form that are prime are called Fermat primes.
Links to this page / Page history / Last change to this page
Recent changes / Edit this page (with sufficient authority)
All pages / Search / Change password / Logout