Primality proof for n = 2963:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=1481.html>1481 is prime.</a>
<br>b^((n-1)/1481)-1 mod n = 3, which is a unit, inverse 988.
<p>(1481) divides n-1.
<p>(1481)^2 > n.
<p>n is prime by Pocklington's theorem.