C++ code that will print only prime factor of given number

Code

#include <iostream>
#include <cmath>
using namespace std;
int main()
{
 int n, i;
 cout<<"Please input an integer then press ENTER : ";cin>>n;

 while(n%2 == 0)
 {
 cout<<2<<" ";
 n = n/2;
 }
 for( i =3; i<=n; i=i+2)
 {
  while(n%i == 0)
  {
   cout<<i<<" ";
   n=n/i;
  }
 }
 if(n>2)
 {
  cout<<n<<" ";
 }

 return 0;
}