JSFiddle - React, Tailwind, and code Playground

by msfrisbie

JavaScript

function isPrime(value) {
  for (let i = 2; i < Math.ceil(Math.sqrt(value)); i++) {
  	//console.log(i);
    if (value % i === 0) {
      return false;
    }
  }
  return value > 1;
}

console.log(Date.now())
console.log(isPrime(1258297))
console.log(Date.now())