Re: what is next? 3.10 or 4.0???

Matthias Kilian a icrit : a) 4 is the first non-prime, at least according to factor(6). No, it is 1 :) Explanation : a prime number can only be divided by two different numbers : 1 and itself. 1 can only be divided by one number, therefore it is not prime.

Re: what is next? 3.10 or 4.0???

Reid Nichol a icrit : --- Jean-So?=bastien Bour <[EMAIL PROTECTED]> wrote: Matthias Kilian a icrit : a) 4 is the first non-prime, at least according to factor(6). No, it is 1 :) Explanation : a prime number can only be divided by two different numbers : 1 and itself. 1 can o