题解 | #质数因子#

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

int select = sc.nextInt();

while (select!=1){
  
  for (int i=2;i<=select;i++){
    
    if (select%i==0){
      
      System.out.print(i+" ");
      
      select=select/i;
      
      i--;
    }
  }
}

} }