JSFiddle - React, Tailwind, and code Playground

by Ty

JavaScript

function rocket (num){
    if(num === 0 || num === 2){
        return false;
    } 
    
    for(var i = 2; i < num; i++);
    if (num % i === 0){
            return false;
        } else {
            return true;
        }
    
}
       console.log(rocket(5));