Primality proof for n = 10399:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=1733.html>1733 is prime.</a>
<br>b^((n-1)/1733)-1 mod n = 63, which is a unit, inverse 7758.
<p>(1733) divides n-1.
<p>(1733)^2 > n.
<p>n is prime by Pocklington's theorem.