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-rw-r--r--Math.hs7
1 files changed, 2 insertions, 5 deletions
diff --git a/Math.hs b/Math.hs
index b1eac91..ddeac32 100644
--- a/Math.hs
+++ b/Math.hs
@@ -1,12 +1,9 @@
module Math where
isPrime :: Int -> Bool
+ factors :: Int -> [Int]
+ intersect' :: [Int] -> [Int] -> [Int]
isPrime n = (length [ x | x <- [2..(ceiling $ sqrt $ fromIntegral 2)],
n `mod` x == 0]) == 0
-
- factors :: Int -> [Int]
-
factors n = [x | x <- [1..(n `div` 2)], n `mod` x == 0] ++ [n]
-
- intersect' :: [Int] -> [Int] -> [Int]
intersect' a b = [x | x <- a, x `elem` b]