Primality proof for n = 4349:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=1087.html>1087 is prime.</a>
<br>b^((n-1)/1087)-1 mod n = 15, which is a unit, inverse 290.
<p>(1087) divides n-1.
<p>(1087)^2 > n.
<p>n is prime by Pocklington's theorem.