diff --git a/src/main/scala/com/nsrddyn/cpu/ALU/Prime.scala b/src/main/scala/com/nsrddyn/cpu/ALU/Prime.scala
index 7a80df4..2ad3ba6 100644
--- a/src/main/scala/com/nsrddyn/cpu/ALU/Prime.scala
+++ b/src/main/scala/com/nsrddyn/cpu/ALU/Prime.scala
@@ -1,5 +1,46 @@
 package com.nsrddyn
 
-class Prime {
-  
+
+
+class Prime(threads: Int) {
+
+  /*
+   * Calculate all primes up to limit
+   * This should stress the ALU in someway,
+   * doing this in a predictable manner, 
+   * will hopefully keep the cpu pipeline busy
+   * and that way stress the branch predictor
+   *
+   * */
+
+
+  // TODO: bad implementation of scala, scala prefers functional programming which  something I am not doing here
+
+  def run(n: Long): Unit = {
+
+
+    var iterator = 0
+
+    // TODO: run the isPrime checks
+
+  }
+
+  def isPrime(n: Int): Boolean = {
+
+    for 
+      i <- 2 to 5 
+      if isWholeNumber(n % i) == true then 
+        true
+    
+    false
+
+    // TODO: calculate  if the number is a prime number
+    // TODO: fix errors
+  }
+
+  def isWholeNumber(n: Int | Float): Boolean = {
+    // TODO: calculate if the number is a whole number
+  }
+
+
 }