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C++ program to check if number is prime using function

#include<iostream>
using namespace std;

void isPrime(int no)
{
  bool isPrime = true;
  for(int i = 2; i <= no / 2; ++i)
  {
      if(no % i == 0)
      {
          isPrime = false;
          break;
      }
  }
  if (isPrime)
      cout << "This is a prime number";
  else
      cout << "This is not a prime number";
}

int main()
{
int no;
cout<<"\n Enter any no : ";
cin>>no;

isPrime(no);

return 0;
}