Primality proof for n = 24120413:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=6030103.html>6030103 is prime.</a>
<br>b^((n-1)/6030103)-1 mod n = 15, which is a unit, inverse 20904358.
<p>(6030103) divides n-1.
<p>(6030103)^2 > n.
<p>n is prime by Pocklington's theorem.