Primality proof for n = 41802583:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=50123.html>50123 is prime.</a>
<br>b^((n-1)/50123)-1 mod n = 13658778, which is a unit, inverse 20082567.
<p>(50123) divides n-1.
<p>(50123)^2 > n.
<p>n is prime by Pocklington's theorem.