From febfe8f07b428dacdd1c06e186bd77bb16774be8 Mon Sep 17 00:00:00 2001
From: a <alexeybulmeni@gmail.com>
Date: Fri, 7 Oct 2022 00:19:35 -0700
Subject: [PATCH] Fix issue #21

This issue was caused by trying to factor 0, which resulted in a zero-length array where it was not expected
---
 src/script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/script.js b/src/script.js
index 56e2d8ef..5531eaa6 100644
--- a/src/script.js
+++ b/src/script.js
@@ -445,7 +445,7 @@ $(document).ready(function () {
       let randomValue = Math.random();
 
       // ab = (a - c)(b + c) + c (b - a + c), where c is any random positive number
-      if (n < 100 && (n == 2 || !isPrime(n)) && randomValue < 0.25) {
+      if (parseInt(n) !== 0 && n < 100 && (n == 2 || !isPrime(n)) && randomValue < 0.25) {
         let factors = getFactors(parseInt(n));
         let randomIndex = Math.floor(Math.random() * factors.length);
         let a = factors[randomIndex];