isprime in cpp code example

Example: check prime in c++

#include 
using namespace std;

#define ll long long
bool isPrime(ll number){
	  for(ll i = 2; i <= number / 2; i++){
	  
  
      	if(number % i == 0)
      {
          return false;
          break;
      }
 	}
 	
 	return true;
}