Primality proof for n = 46879411:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=1562647.html>1562647 is prime.</a>
<br>b^((n-1)/1562647)-1 mod n = 42394781, which is a unit, inverse 44942311.
<p>(1562647) divides n-1.
<p>(1562647)^2 > n.
<p>n is prime by Pocklington's theorem.