# Brocard's problem

> the Diophantine problem of finding an integer, whose factorial plus one is a perfect square

**Wikidata**: [Q1052622](https://www.wikidata.org/wiki/Q1052622)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Brocard's_problem)  
**Source**: https://4ort.xyz/entity/brocard-s-problem


## References

1. Freebase Data Dumps. 2013