Primality proof for n = 4951357:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=8779.html>8779 is prime.</a>
<br>b^((n-1)/8779)-1 mod n = 3478883, which is a unit, inverse 1556260.
<p>(8779) divides n-1.
<p>(8779)^2 > n.
<p>n is prime by Pocklington's theorem.