Primality proof for n = 972113:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=60757.html>60757 is prime.</a>
<br>b^((n-1)/60757)-1 mod n = 65535, which is a unit, inverse 524631.
<p>(60757) divides n-1.
<p>(60757)^2 > n.
<p>n is prime by Pocklington's theorem.