Update are_coprime.ts

Author: Ambarish-2002

maths/are_coprime.ts

@@ -1,3 +1,12 @@
+/**
+ * @function areCoprime
+ * @description Checks if two given numbers are co-prime or not
+ * @param {a} number - a numeric input value
+ * @param {a} number - a numeric input value
+ * @example areCoprime(2,4) = false
+ * @example areCoprime(2,3) = true
+ */
+
 import { greatestCommonFactor } from "./greatest_common_factor"
 
 export const areCoprime = (a: number, b: number): boolean =>{