Primality proof for n = 74729:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=9341.html>9341 is prime.</a>
<br>b^((n-1)/9341)-1 mod n = 255, which is a unit, inverse 26668.
<p>(9341) divides n-1.
<p>(9341)^2 > n.
<p>n is prime by Pocklington's theorem.