> none of the ones still in use consider it a prime. "has no factors other than one and itself", AFAIK, is still used by school teachers (and others) introduci

> none of the ones still in use consider it a prime. "has no factors other than one and itself", AFAIK, is still used by school teachers (and others) introducing the concept of prime numbers. I agree that that definition is wrong, but that wasn't the point I was making.