Some time ago a question came up in General Help and Support about primes. I've always had a fascination with this apparently chaotic number sequence and thought this is a worthwhile challenge. Without reading up on the subject, I set about trying to figure out how I might approach the problem of testing for primality using AutoIt.   I started by writing a function which eliminated even numbers, and multiples of 3 and 5. Everything seemed fine at this point; but when I tried to scale up my ide