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  1. isPrime n = fact !! (fromInteger (n-1)) `mod` n == n-1
  2.  
  3. fact = 1 : zipWith (*) fact [1..]
  4.  
  5. main = print . sum $ filter (not.isPrime) [1..10000]
Success #stdin #stdout 0.83s 89600KB
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https://ideone.com/Oqj1MG
language:
Haskell (ghc 8.4.4)
created:
11 years ago
visibility:
secret

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