Primality proof for n = 3677:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=919.html>919 is prime.</a>
<br>b^((n-1)/919)-1 mod n = 15, which is a unit, inverse 1716.
<p>(919) divides n-1.
<p>(919)^2 > n.
<p>n is prime by Pocklington's theorem.