Primality proof for n = 13610371:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=26687.html>26687 is prime.</a>
<br>b^((n-1)/26687)-1 mod n = 4425159, which is a unit, inverse 6138432.
<p>(26687) divides n-1.
<p>(26687)^2 > n.
<p>n is prime by Pocklington's theorem.