title: Fermat's Little Theorem
body: <p>How do you compute the following using <a href="http://en.wikipedia.org/wiki/Fermat%27s_little_theorem" rel="nofollow noreferrer">Fermat's Little Theorem</a>?</p>
  
  <pre><code>2^1,000,006 mod 101
  2^-1,000,005 mod 11
  </code></pre>