题解 | #质数因子#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int num = in.nextInt();

        int target = num;
        int y = 2;
        while(target != 1){
            if(target % y == 0){
                target /= y;
                System.out.print(y + " ");
            }else{
                if(y * y > target){
                    y = target;
                }
                else{
                    y ++;
                }
            }
            
            
        }
    }
}