View Code of Problem 91

#include <iostream>
#include <cstdio>
#include <cmath>
using namespace std;
int main(){
    int n;
    cin>>n;
    cout<<n<<"=";
    for(int i=2;i<=sqrt(n);i++){
        if(n%i==0){
            cout<<i<<"*";
            n=n/i;
            i--;
        }
    }
    cout<<n<<endl;
    return 0;
}