-- The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. -- -- Find the sum of all the primes below two million. import ProjectEuler (isPrime) sumPrimes :: (Integral a) => a -> a sumPrimes n = sum [ x | x <- [1..n], isPrime(x) ] main = do let result = sumPrimes 2000000 putStrLn $ "Project Euler, Problem 10\n" ++ "Answer: " ++ (show result)