Largest palindrome product: Difference between revisions

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@@ Line 1,161: / Line 1,161: @@
         var t = Num("#{k}#{Str(k).flip}")
-        t.divisors.grep{.len == n}.combinations(2, {|a,b|
+        t.divisors.each {|d|
-            if (a*b == t) {
+            if ((d.len == n) && ((t/d).len == n)) {
-                return (a, b)
+                return (d, t/d)
             }
-        })
+        }
     }
 }