#include<bits/stdc++.h> using namespace std; int n; int main(){ cin>>n; for(int i=2;i<=n;i++){ while(n%i==0){ cout<<i<<" "; n=n/i; } } return 0; } /************************************************************** Problem: 1234 User: zhangziang Language: C++ Result: Accepted Time:4 ms Memory:2072 kb ****************************************************************/