Primality proof for n = 14717:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=283.html>283 is prime.</a>
<br>b^((n-1)/283)-1 mod n = 3542, which is a unit, inverse 7774.
<p>(283) divides n-1.
<p>(283)^2 > n.
<p>n is prime by Pocklington's theorem.