Primality proof for n = 122232809:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=372661.html>372661 is prime.</a>
<br>b^((n-1)/372661)-1 mod n = 565082, which is a unit, inverse 39762295.
<p>(372661) divides n-1.
<p>(372661)^2 > n.
<p>n is prime by Pocklington's theorem.