Primality proof for n = 83295083:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=3203657.html>3203657 is prime.</a>
<br>b^((n-1)/3203657)-1 mod n = 67108863, which is a unit, inverse 69028830.
<p>(3203657) divides n-1.
<p>(3203657)^2 > n.
<p>n is prime by Pocklington's theorem.