Add new comment


This calculator does a great job, but does not list situations when the two prime numbers are the same (for example, 6 can only be expressed as 3+3, which does not calculate in the applet).

Filtered HTML

  • Web page addresses and email addresses turn into links automatically.
  • Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.