diff --git a/src/com/jwetherell/algorithms/mathematics/Division.java b/src/com/jwetherell/algorithms/mathematics/Division.java
index c133f741..c91384a3 100644
--- a/src/com/jwetherell/algorithms/mathematics/Division.java
+++ b/src/com/jwetherell/algorithms/mathematics/Division.java
@@ -3,11 +3,19 @@
 public class Division {
 
     public static final long division(int a, int b) {
+        if(b == 0) {
+            throw new IllegalArgumentException("Divisor cannot be zero");
+        }
+        
         long result = ((long) a) / ((long) b);
         return result;
     }
 
     public static final long divisionUsingLoop(int a, int b) {
+        if(b == 0) {
+            throw new IllegalArgumentException("Divisor cannot be zero");
+        }
+        
         int absA = Math.abs(a);
         int absB = Math.abs(b);
 
@@ -22,6 +30,10 @@ public static final long divisionUsingLoop(int a, int b) {
     }
 
     public static final long divisionUsingRecursion(int a, int b) {
+        if(b == 0) {
+            throw new IllegalArgumentException("Divisor cannot be zero");
+        }
+        
         int absA = Math.abs(a);
         int absB = Math.abs(b);
 
@@ -38,6 +50,10 @@ public static final long divisionUsingRecursion(int a, int b) {
     }
 
     public static final long divisionUsingMultiplication(int a, int b) {
+        if(b == 0) {
+            throw new IllegalArgumentException("Divisor cannot be zero");
+        }
+        
         int absA = Math.abs(a);
         int absB = Math.abs(b);
 
@@ -55,6 +71,10 @@ public static final long divisionUsingMultiplication(int a, int b) {
     }
 
     public static final long divisionUsingShift(int a, int b) {
+        if(b == 0) {
+            throw new IllegalArgumentException("Divisor cannot be zero");
+        }
+        
         int absA = Math.abs(a);
         int absB = Math.abs(b);
         int tempA, tempB, counter;
@@ -76,6 +96,10 @@ public static final long divisionUsingShift(int a, int b) {
     }
 
     public static final long divisionUsingLogs(int a, int b) {
+        if(b == 0) {
+            throw new IllegalArgumentException("Divisor cannot be zero");
+        }
+        
         long absA = Math.abs(a);
         long absB = Math.abs(b);
         double logBase10A = Math.log10(absA);