diff --git a/X10D/src/Int16Extensions/Int16Extensions.cs b/X10D/src/Int16Extensions/Int16Extensions.cs
index 5458e3c..7395943 100644
--- a/X10D/src/Int16Extensions/Int16Extensions.cs
+++ b/X10D/src/Int16Extensions/Int16Extensions.cs
@@ -66,7 +66,7 @@ namespace X10D
         /// </returns>
         public static bool IsEven(this short value)
         {
-            return value % 2 == 0;
+            return (value & 1) == 0;
         }
 
         /// <summary>
diff --git a/X10D/src/Int32Extensions/Int32Extensions.cs b/X10D/src/Int32Extensions/Int32Extensions.cs
index f7e66ee..77b6820 100644
--- a/X10D/src/Int32Extensions/Int32Extensions.cs
+++ b/X10D/src/Int32Extensions/Int32Extensions.cs
@@ -66,7 +66,7 @@ namespace X10D
         /// </returns>
         public static bool IsEven(this int value)
         {
-            return value % 2 == 0;
+            return (value & 1) == 0;
         }
 
         /// <summary>
diff --git a/X10D/src/Int64Extensions/Int64Extensions.cs b/X10D/src/Int64Extensions/Int64Extensions.cs
index d5d13bd..da43cea 100644
--- a/X10D/src/Int64Extensions/Int64Extensions.cs
+++ b/X10D/src/Int64Extensions/Int64Extensions.cs
@@ -66,7 +66,7 @@ namespace X10D
         /// </returns>
         public static bool IsEven(this long value)
         {
-            return value % 2 == 0;
+            return (value & 1) == 0;
         }
 
         /// <summary>