Quote Originally Posted by Fynlar View Post
snip
Yeah, the way they teach prime numbers doesn't help. Basically, prime factorization specifically excludes 1 because it muddles the entire process. Which is partially why the entire debate on if 1 is a prime number ended with it getting its own special term. Aside from the fundamental theorem, they'd have to change a bunch of definitions for primes specifically to make special exceptions for 1. It mostly has to do with language than actual math, tbh.