function [] = CheckPrime(x)

if x >= 2 then
  for i = 2:x
    if modulo(x,i)==0 then
      if x==i then
        printf('x = %d is a prime number', x);
      else
        printf('x = %d is NOT a prime number\n', x);
        printf('Because %d can be divided by %d", x, i);
        break;
      end  
    end
  end
else
  disp('This number is less than 2');
end

endfunction