Prime numbers

Prime Numbers

let num = 5;
let count = 0;
for(let i = 1; i <= num; i++) {
  if(num % i == 0) {
    count++;
  }
}
if(count == 2) {
  console.log(`${num} is a prime number`);
} else {
  console.log(`${num} is not a prime number`);
}