Primality proof for n = 453119:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=13327.html>13327 is prime.</a>
<br>b^((n-1)/13327)-1 mod n = 315417, which is a unit, inverse 92712.
<p>(13327) divides n-1.
<p>(13327)^2 > n.
<p>n is prime by Pocklington's theorem.