RosettaCodeData/Task/Prime-decomposition/Ela/prime-decomposition.ela
2016-12-05 22:15:40 +01:00

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open integer //arbitrary sized integers
decompose_prime n = loop n 2I
where
loop c p | c < (p * p) = [c]
| c % p == 0I = p :: (loop (c / p) p)
| else = loop c (p + 1I)
decompose_prime 600851475143I