Trying to divide by the known primes is what the algorithm does. Hardcoding some of the values might speed it up, but notice that your solution fails the tests - it doesn't return all the hardcoded primes.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^5: Number functions.. primes (ugly code runs faster) by choroba
in thread Number functions I have lying around by Lady_Aleena

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