First update the sieve, then check for a match
First update the sieve, then check for a match

This allows shortcutting the checks

Use (p-1)/2 instead p/2, same result because p is odd but confusing.

randombit/botan,randombit/botan,randombit/botan,randombit/botan,webmaster128/botan,webmaster128/botan,webmaster128/botan,webmaster128/botan,randombit/botan,webmaster128/botan