On Sun, May 16, 2010 at 09:54:49AM +0100, David Laight wrote: > The notion of 'primes' is valid in Z - the definition of a prime is a > number that has no non-unit factors.
Well, I only took the forced (for CS students) math courses at university, and it's been quite some time, but I would have defined a prime as a natural number > 1. For what it's worth, wikipedia seems to agree with me ;-) (duck) Martin
