# Carmichael's theorem

> On prime divisors Fibonacci numbers and Lucas sequences, more generally

**Wikidata**: [Q3889376](https://www.wikidata.org/wiki/Q3889376)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Carmichael's_theorem)  
**Source**: https://4ort.xyz/entity/carmichael-s-theorem