Primality proof for n = 7959649:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=82913.html>82913 is prime.</a>
<br>b^((n-1)/82913)-1 mod n = 7818849, which is a unit, inverse 2512773.
<p>(82913) divides n-1.
<p>(82913)^2 > n.
<p>n is prime by Pocklington's theorem.