Primes to N

// Primes to N

const input = ['24'];
const print = this.print || console.log;
const gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);

const N = +gets();
const arrN = [];
const arrPrimes = [];

function isPrime(n) {
  if (n === 1) {
    return true;
  } else if (n === 2) {
    return true;
  } else {
    for (var i = 2; i <= Math.sqrt(n); i++) {
      if (n % i === 0) {
        return false;
      }
    }
    return true;
  }
}

if (N >= 1 && N <= 1024) {
  for (let i = 1; i <= N; i++) {
    arrN.push(i);
  }
  for (let i = 0; i < arrN.length; i++) {
    if (isPrime(arrN[i]) === true) {
      arrPrimes.push(arrN[i]);
    }
  }
}

print(arrPrimes.toString().replace(/,/g, ' '));