Primality proof for n = 22842497:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=7759.html>7759 is prime.</a>
<br>b^((n-1)/7759)-1 mod n = 7263322, which is a unit, inverse 16999439.
<p>(7759) divides n-1.
<p>(7759)^2 > n.
<p>n is prime by Pocklington's theorem.