---
tag: 06N6JAZF44
kind: concept
name: Fermat prime
msc: [11A41]
sources:
  - url: https://en.wikipedia.org/wiki/Fermat_number
    locator: lead section
---

## Summary

A Fermat prime is a prime number of the form $2^{2^n} + 1$.
The [[definition of a Fermat prime|0N9E4G2P97]] gives the precise form.