diff --git a/testAlgorithms.cpp b/testAlgorithms.cpp
index 0817d4d..5bbaecd 100644
--- a/testAlgorithms.cpp
+++ b/testAlgorithms.cpp
@@ -111,26 +111,34 @@ bool testGetNumPrimes(){
 }
 
 bool testIsPrime(){
+	//Test 1
 	int64_t num = 2;
 	bool correctAnswer = true;
 	bool answer = mee::isPrime(num);
 	if(correctAnswer != answer){
 		return false;
 	}
-
+	//Test 2
 	num = 97;
 	correctAnswer = true;
 	answer = mee::isPrime(num);
 	if(correctAnswer != answer){
 		return false;
 	}
-
+	//Test 3
 	num = 1000;
 	correctAnswer = false;
 	answer = mee::isPrime(num);
 	if(correctAnswer != answer){
 		return false;
 	}
+	//Test 4
+	num = 1;
+	correctAnswer = false;
+	answer = mee::isPrime(num);
+	if(correctAnswer != answer){
+		return false;
+	}
 
 	//If the false was not triggered it must have passed all tests
 	return true;