I don't understand those at all really, but the second one did a million in about a minute, so not bad at all. It did tell me that a million was a prime number though...

($_='kkvvttuubbooppuuiiffssqqffssmmiibbddllffss')
=~y~b-v~a-z~s; print

In reply to Re^2: Sieve of Eratosthenes Golf? by Cody Pendant
in thread Sieve of Eratosthenes Golf? by Cody Pendant

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