object Test {
  def main(args: Array[String]): Unit = {
    var args=Array("14", "0", "2", "4", "8")
    println(args.toList)
    val zzz = new PrimeNumber(args(0).toInt)
    var xxx=zzz.calculatePrimeNumbers().toList
    println(xxx)
  }

  def number(M:Int): Unit = {

  }
}

class PrimeNumber(val N:Int) extends AnyVal {
  def calculatePrimeNumbers() = {
    val isPrime = collection.mutable.BitSet(2 to N: _*) -- (4 to N by 2)
    for (p <- 2 +: (3 to Math.sqrt(N).toInt by 2) if isPrime(p)) {
      isPrime --= p*p to N by p
    }
    isPrime.toImmutable
  }
}


co wcyhodzi:

List(14, 0, 2, 4, 8)
List(2, 3, 5, 7, 11, 13)