Primality proof for n = 760939013:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=190234753.html>190234753 is prime.</a>
<br>b^((n-1)/190234753)-1 mod n = 15, which is a unit, inverse 659480478.
<p>(190234753) divides n-1.
<p>(190234753)^2 > n.
<p>n is prime by Pocklington's theorem.