Primality proof for n = 83287801:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=46271.html>46271 is prime.</a>
<br>b^((n-1)/46271)-1 mod n = 67896832, which is a unit, inverse 50237570.
<p>(46271) divides n-1.
<p>(46271)^2 > n.
<p>n is prime by Pocklington's theorem.