JSFiddle - React, Tailwind, and code Playground

by Stephen Lujan

JavaScript

let number = 5;
while (number < 100000) {
	
}

function isPrime(n) {
  // Check if n=1 or n=0
  if (n <= 1)
    return false;
  // Check if n=2 or n=3
  if (n == 2 || n == 3)
    return true;
  // Check whether n is divisible by 2 or 3
  if (n % 2 == 0 || n % 3 == 0)
    return false;
  // Check from 5 to square root of n
  // Iterate i by (i+6)
  for (var i = 5; i <= Math.sqrt(n); i = i + 6)
    if (n % i == 0 || n % (i + 2) == 0)
      return false;

  return true;
}