title: Check if value is a multiple of some integer value
body: <p>How can i check if a value is a multiple of 6 or 7.</p>
  
  <p>example</p>
  
  <pre><code>....
  var
  numbers
  being
   if (numbers is a multiple of 6 or 7) then begin
      memo1.lines.add(inttostr(numbers));
      numbers := numbers+1;
   end;
  </code></pre>