Initial data commit

Task/Unprimeable-numbers/JavaScript/unprimeable-numbers-2.js

@@ -0,0 +1,13 @@
+function isUnprimable(num) {
+  if (num < 100 || num.isPrime()) return false;
+  let arr = num.toString().split('');
+  for (let x = 0; x < arr.length; x++) {
+    let lft = arr.slice(0, x),
+        rgt = arr.slice(x + 1);
+    for (let y = 0; y < 10; y++) {
+      let test = lft.join('') + y.toString() + rgt.join('');
+      if (parseInt(test).isPrime()) return false;
+    }
+  }
+  return true;
+}