Primality proof for n = 5676017:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=354751.html>354751 is prime.</a>
<br>b^((n-1)/354751)-1 mod n = 65535, which is a unit, inverse 2348183.
<p>(354751) divides n-1.
<p>(354751)^2 > n.
<p>n is prime by Pocklington's theorem.