Date: Jan 7, 2012 3:46 AM Author: lnkerb Subject: Re: 2 simple? questions and proposed answers Question #1 -

It could be how prime is defined ... it is generally taught that prime numbers are those that can be divided by 1 and itself. I generally teach that a prime number has EXACTLY TWO FACTORS. Thus 1 cannot be prime because it has only one factor, and 0 cannot be prime because it has infinite factors.