diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..7f419db
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,28 @@
+module.exports = {
+    "env": {
+        "es6": true,
+        "node": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "sourceType": "module"
+    },
+    "rules": {
+        "indent": [
+            "error",
+            "tab"
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "never"
+        ]
+    }
+};
\ No newline at end of file
diff --git a/package.json b/package.json
index 71f93c5..4b82682 100644
--- a/package.json
+++ b/package.json
@@ -3,11 +3,14 @@
   "description": "Tests and implementations for algorithms commonly used in job interviews.",
   "private": false,
   "version": "0.0.0",
-  "devDependencies": {
+  "dependencies": {
     "babel-cli": "^6.18.0",
     "babel-preset-env": "^1.1.4",
     "babel-register": "^6.18.0",
     "chai": "~1.8.0",
+    "eslint": "^3.19.0",
+    "eslint-config-airbnb-base": "^11.1.3",
+    "eslint-plugin-import": "^2.2.0",
     "mocha": "2.0.1"
   },
   "scripts": {
diff --git a/test/factorial_test.js b/test/factorial_test.js
index bd3f790..6818a3b 100644
--- a/test/factorial_test.js
+++ b/test/factorial_test.js
@@ -9,5 +9,6 @@ describe.only('factorial()', function(){
 
   it('returns an array of numbers 1-100, fizz for multiples of 3, buzz for multiples of 5, fizzbuzz for multiples of 3 and five', function(){
     expect(factorial(5)).to.deep.equal(120)
-  }) 
+    expect(factorial(10)).to.deep.equal(3628800)
+  })
 })