Trial Division Problem

Problem Link

: https://www.spoj.com/problems/TRIALDIV/

I have doubt regarding my solution working fine or not.
I am unable to access all test cases of the above problem to understand my code fault and when i submit my solution code, it shows wrong answer.
I believe that my solution code is correct. if not please let me know. I just want my solution code fault that make it show wrong answer.
Hence please help me.
My C++11 code for above problem is as follows:

#include <bits/stdc++.h>

using namespace std;

int main () {
    ios::sync_with_stdio(0);
    cin.tie(0);
    unsigned int t;
    unsigned long long num, i;
    cin >> t;
    while (t) {
        cin >> num;
        if (num==1) {
            cout << "1" << endl;
            t--;
            continue;
        }
        i=2;
        while (num > 1 and i <= num) {
            if (i>(num/i))
                i=num;
            if (num%i==0) {
                num = num/i;
                cout << i << " ";
            }
            else
                i++;
        }
        cout << endl;
        t--;
    }
    return 0;
}

Thank you