Primality proof for n = 16703:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=1193.html>1193 is prime.</a>
<br>b^((n-1)/1193)-1 mod n = 16383, which is a unit, inverse 6629.
<p>(1193) divides n-1.
<p>(1193)^2 > n.
<p>n is prime by Pocklington's theorem.