Check if number is prime

 Node.js program to find if number is prime

function isPrime(num) {

if(num < 2) return false

var maxDivider = Math.floor(Math.sqrt(num))

for (i = 2; i < maxDivider; i++) {

if (num % i == 0) return false

}

return true;

}

console.log("IsPrime ",isPrime(3))