Primality proof for n = 29179:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=1621.html>1621 is prime.</a>
<br>b^((n-1)/1621)-1 mod n = 28711, which is a unit, inverse 23630.
<p>(1621) divides n-1.
<p>(1621)^2 > n.
<p>n is prime by Pocklington's theorem.