diff --git a/number-prototypes.js b/number-prototypes.js
new file mode 100644
index 0000000..7fb6c64
--- /dev/null
+++ b/number-prototypes.js
@@ -0,0 +1,8 @@
+CustomNumber = {
+    randomMinMax: function (min, max) {
+        if(min && max){
+            return Math.floor(Math.random() * (max - min + 1)) + min;
+        }
+        return false;
+    }
+}