Primality proof for n = 9743:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=4871.html>4871 is prime.</a>
<br>b^((n-1)/4871)-1 mod n = 3, which is a unit, inverse 3248.
<p>(4871) divides n-1.
<p>(4871)^2 > n.
<p>n is prime by Pocklington's theorem.