Primality proof for n = 2665442657:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=83295083.html>83295083 is prime.</a>
<br>b^((n-1)/83295083)-1 mod n = 1629524638, which is a unit, inverse 1920438269.
<p>(83295083) divides n-1.
<p>(83295083)^2 > n.
<p>n is prime by Pocklington's theorem.