Primality proof for n = 2084989:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=593.html>593 is prime.</a>
<br>b^((n-1)/593)-1 mod n = 797253, which is a unit, inverse 422972.
<p><a href=293.html>293 is prime.</a>
<br>b^((n-1)/293)-1 mod n = 1173413, which is a unit, inverse 413690.
<p>(293 * 593) divides n-1.
<p>(293 * 593)^2 > n.
<p>n is prime by Pocklington's theorem.