Primality proof for n = 22549:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=1879.html>1879 is prime.</a>
<br>b^((n-1)/1879)-1 mod n = 4095, which is a unit, inverse 16167.
<p>(1879) divides n-1.
<p>(1879)^2 > n.
<p>n is prime by Pocklington's theorem.