Primality proof for n = 29862490908791:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=78591707.html>78591707 is prime.</a>
<br>b^((n-1)/78591707)-1 mod n = 20333071398908, which is a unit, inverse 10344979110248.
<p>(78591707) divides n-1.
<p>(78591707)^2 > n.
<p>n is prime by Pocklington's theorem.