寻找质因子

#include<iostream>
using namespace std;
int main()
{
    int n,m = 0;
    cin >> n;
    for (int i = 2;n != 1;i++)
    {
        while(n % i == 0)
        {
            cout << i << " ";
            n = n / i;
        }
    }
    return 0;
}