Assignment 3 - Loop

//assignment 3
#include <iostream>
using namespace std;

int number, counter = 2;

int main()
{
    char again = 'y';
    while (again == 'y')
    {
        //asks for integer
        cout << "Enter an integer: " << endl;
        cin >> number;
        //math and loop
        do
        {
            if (number % counter == 0)
            {
                cout << "Your number is divisible by: " << counter << endl;
            }
            counter++;

        } while (counter <= 9);

        cout << "\nWould you like to go again? y/n" << endl;
        cin >> again;
        again = tolower(again);

        //exit

        counter = 2;
    }
    return 0;
}