Primality proof for n = 1325740037:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=80897.html>80897 is prime.</a>
<br>b^((n-1)/80897)-1 mod n = 475353798, which is a unit, inverse 284871290.
<p>(80897) divides n-1.
<p>(80897)^2 > n.
<p>n is prime by Pocklington's theorem.