NumeroPrimo

#include <cstdlib>
#include <iostream>

using namespace std;

int main(int argc, char *argv[])
{
    int N,i,div=2;

    cout<<"Ingrese un valor"<<endl;
    cin>>N;

    if ( N%2==0 && N!=2 ){

        cout<<"No es numero primo"<<endl;
    } else {


        for ( i=3 ; i<N ; i++ ){

            if ( N%i==0 ){

                div=div+1;
            }
        }

        if ( div>2 ) {

        cout<<"No es numero primo"<<endl;
        } else {

            cout<<N<<" ";
    }

    system("PAUSE");
    return EXIT_SUCCESS;
}