Primality proof for n = 148927:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=24821.html>24821 is prime.</a>
<br>b^((n-1)/24821)-1 mod n = 63, which is a unit, inverse 89829.
<p>(24821) divides n-1.
<p>(24821)^2 > n.
<p>n is prime by Pocklington's theorem.