solution: ProjectEuler-007 (#1142)

* 📦 NEW: Added solution for ProjectEuler-007

* 🐛 FIX: Spelling mistake fixes

* 👌 IMPROVE: changed variable name from `inc` to `candidateValue` and thrown error in case of invalid input

* 👌 IMPROVE: Modified the code

Co-authored-by: Omkarnath Parida <omkarnath.parida@yocket.in>

Project-Euler/Problem007.js

@@ -0,0 +1,27 @@
+import { PrimeCheck } from '../Maths/PrimeCheck.js'
+
+/**
+ * Find nth Prime Number
+ *
+ * P.S.(Project Euler - 007):
+ * By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13.
+ * What is the 10001st prime number?
+ *
+ * @param {Number} n
+ * @returns {Number} returns the nth prime number
+ */
+export const nthPrime = (n) => {
+  if (n < 1) {
+    throw new Error('Invalid Input')
+  }
+
+  let count = 0
+  let candidateValue = 1
+  while (count < n) {
+    candidateValue++
+    if (PrimeCheck(candidateValue)) {
+      count++
+    }
+  }
+  return candidateValue
+}