Primality proof for n = 65982793:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=2749283.html>2749283 is prime.</a>
<br>b^((n-1)/2749283)-1 mod n = 16777215, which is a unit, inverse 32308316.
<p>(2749283) divides n-1.
<p>(2749283)^2 > n.
<p>n is prime by Pocklington's theorem.