Primality proof for n = 23956433:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=65099.html>65099 is prime.</a>
<br>b^((n-1)/65099)-1 mod n = 7577688, which is a unit, inverse 21950026.
<p>(65099) divides n-1.
<p>(65099)^2 > n.
<p>n is prime by Pocklington's theorem.