| Topic List | Page List: 1 |
|---|---|
| Topic | What is the smallest prime factor of (111)! - 1 ? |
| FLOUR 06/20/22 5:53:14 PM #1: | Yes, that's 111 factorial minus 1. And yes, it's composite. Anyone up to the task? And for an easier question, what are the possible positive integers n such that (2^n)-1 and (2^n)+1 are both prime? --- OK, so what am I doing? Oh, I'm chasing this guy? No, he's chasing me... ... Copied to Clipboard! |
| Topic List | Page List: 1 |