# Euclid–Euler theorem

> theorem characterizing the even perfect numbers

**Wikidata**: [Q18206266](https://www.wikidata.org/wiki/Q18206266)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Euclid–Euler_theorem)  
**Source**: https://4ort.xyz/entity/euclid-euler-theorem


## References

1. Quora