Create 172-factorial-trailing-zeroes.js

Author: everthis

172-factorial-trailing-zeroes.js

@@ -0,0 +1,11 @@
+/**
+ * @param {number} n
+ * @return {number}
+ */
+const trailingZeroes = function(n) {
+    let result = 0;
+    for(let i = 5; Math.floor(n/i) > 0; i *= 5){
+        result += (Math.floor(n/i));
+    }
+    return result;
+};