Primality proof for n = 3067692486481841:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=2412961.html>2412961 is prime.</a>
<br>b^((n-1)/2412961)-1 mod n = 74457826022028, which is a unit, inverse 644128333937056.
<p><a href=2270249.html>2270249 is prime.</a>
<br>b^((n-1)/2270249)-1 mod n = 836664485586621, which is a unit, inverse 2943912388976040.
<p>(2270249 * 2412961) divides n-1.
<p>(2270249 * 2412961)^2 > n.
<p>n is prime by Pocklington's theorem.