c++ 알고리즘 소수 출력

#include <iostream>
using namespace std;
 
int main(){
    int input;
    
    cout<<"몇개?";
    cin>>input;
    
    for (int i=2, count=0;i<=input;i++,count=0){
        for(int j=1;j<=i;j++){
            if (i%j == 0)
                count++;
        }
        if (count==2)
            cout<<i<<" ";
    }
}