From a001e69a910405febb4974bb529fd7e7c46df982 Mon Sep 17 00:00:00 2001
From: Rak Laptudirm <68542775+raklaptudirm@users.noreply.github.com>
Date: Wed, 5 May 2021 09:29:48 +0530
Subject: [PATCH] Update PrimeCheck.js

---
 Maths/PrimeCheck.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Maths/PrimeCheck.js b/Maths/PrimeCheck.js
index c0f626ce6..5a9e212d7 100644
--- a/Maths/PrimeCheck.js
+++ b/Maths/PrimeCheck.js
@@ -11,8 +11,9 @@ const PrimeCheck = (n) => {
   // output: boolean
   if (n === 1) return false
   if (n === 0) return false
+  if (n === 2) return true
 
-  for (let i = 2; i * i <= n; i++) {
+  for (let i = 3; i * i <= n; i += 2) {
     if (n % i === 0) {
       return false
     }