cpp分解质因数

#include <stdio.h>
#include <iostream>
#include <stdlib.h>
using namespace std;
int main() {
    int n;
    cin >> n;
    for (int i = 2; i <= n; i++) {
        while (n != 1) {
            if (n % i == 0) {
                n /= i;
                printf("%d\n", i);
            }
            else
                break;
        }
    }
    system("pause");
}