JSFiddle - React, Tailwind, and code Playground
HTML
<div id="output"></div>
JavaScript
// Framework
var io = document.getElementById('output');
// Variables
var arr = [];
var num = 6;
var num2 = 10;
var product;
var lcm = [];
for (var i = 1; i < num2; i++) {
product = num * i;
arr.push(product);
}
for (var j = 1; j < num2; j++) {
for (var z = 0; z < arr.length; z++) {
if (num2 * j === arr[z]) {
lcm.push(arr[z]);
}
}
}
io.innerHTML = lcm;