Primality proof for n = 119087:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=5413.html>5413 is prime.</a>
<br>b^((n-1)/5413)-1 mod n = 26258, which is a unit, inverse 17683.
<p>(5413) divides n-1.
<p>(5413)^2 > n.
<p>n is prime by Pocklington's theorem.