diff --git a/DIRECTORY.md b/DIRECTORY.md
index 1fa5b8fb8..6eca65e72 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -140,7 +140,9 @@
   * [BinaryConvert](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/BinaryConvert.js)
   * [BinaryExponentiationIterative](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/BinaryExponentiationIterative.js)
   * [BinaryExponentiationRecursive](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/BinaryExponentiationRecursive.js)
+  * [CheckKishnamurthyNumber](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/CheckKishnamurthyNumber.js)
   * [Coordinate](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/Coordinate.js)
+  * [CoPrimeCheck](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/CoPrimeCheck.js)
   * [decimalIsolate](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/decimalIsolate.js)
   * [DegreeToRadian](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/DegreeToRadian.js)
   * [DigitSum](https://github.com/TheAlgorithms/Javascript/blob/master/Maths/DigitSum.js)