Uploaded June 2021 | Updated September 2026, 27 minutes ago

---

In this video we find all values of n such that n! + (n+1)! + (n+2)! is a perfect square. We use Bertrand's Postulate to make the question a lot easier.\
Let me know if you like Number Theory problems. I'm happy to make more!

Subscribe!
youtube.com/c/DrWeselcouch