I had made the post above ragrading half the iterations, but I just thought of a better way to calculate primes. Its not as fast, but its a one liner: while($num <= $max) { push @dynamic, $num if (1 x $num) !~ /^(11+)\1+$/; $num ++; } I hope you find this helpful

In reply to Re: Prime Number Finder by The_Rev
in thread Prime Number Finder by munchie

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