JSFiddle - React, Tailwind, and code Playground

by Jessie Lau

JavaScript

function PrimeTime(num) {
    if (num === 2 || num === 3 || num === 5 || num === 7) {
        return true;
    } 
    else if (num % 2 === 0 || num % 3 ===0 || num % 5 === 0 || num % 7 === 0) {
        return false;
    }
    else {
        return true;
    }
}

console.log(PrimeTime(15));
console.log(PrimeTime(2));
console.log(PrimeTime(67));
console.log(PrimeTime(23));