Just a couple of background PM references to read in case you feel like taking a break from coding:

• Re: Primes software drag race (Mathematical References) - Lots of Prime Number discussions on Perl Monks over the years!
• Writing Solid CPAN Modules - General tips to improve the quality of your CPAN module
• Re: What do I use to release a module to CPAN for the first time? - Practical advice on releasing a module to the CPAN