Primality proof for n = 118747:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=733.html>733 is prime.</a>
<br>b^((n-1)/733)-1 mod n = 64213, which is a unit, inverse 116097.
<p>(733) divides n-1.
<p>(733)^2 > n.
<p>n is prime by Pocklington's theorem.