diff --git a/src/index.js b/src/index.js
index 4c197d6..5e47119 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,23 @@
 const trialDivision = (number) => {
     
+    let prime = true
+
+    for (let i = 0; number > i; i++){
+      if (number % i === 0){
+        prime = false
+      }
+     }
+    
+
+    if (prime === true){
+      return false
+    }
+    else {
+      return true
+    }
   }
 
-  module.exports = trialDivision;
\ No newline at end of file
+  module.exports = trialDivision;
+
+
+
diff --git a/src/tempCodeRunnerFile.js b/src/tempCodeRunnerFile.js
new file mode 100644
index 0000000..d7aa1a8
--- /dev/null
+++ b/src/tempCodeRunnerFile.js
@@ -0,0 +1,20 @@
+const trialDivision = (number) => {
+    
+    let prime = true
+
+    for (let i = number; number > 0; i++){
+      if (number % i === 0){
+        prime = false
+      }
+     }
+    
+
+    if (prime === true){
+      console.log("true")
+    }
+    else {
+      console.log("false")
+    }
+  }
+
+  trialDivision(400)
\ No newline at end of file