18/10/08 17:43:06.41 pH+BqnrA.net
import Data.List
divisor n = find (\m -> n `mod` m ==0 )[2..floor.sqrt.fromIntegral $ n]
main = do
print $ divisor $ (10^19-1) `div` 9
18/10/08 17:43:06.41 pH+BqnrA.net
import Data.List
divisor n = find (\m -> n `mod` m ==0 )[2..floor.sqrt.fromIntegral $ n]
main = do
print $ divisor $ (10^19-1) `div` 9