Primality proof for n = 205115282021455665897114700593932402728804164701536103180137503955397371:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=255515944373312847190720520512484175977.html>255515944373312847190720520512484175977 is prime.</a>
<br>b^((n-1)/255515944373312847190720520512484175977)-1 mod n = 53072002638256206696760401718638995221936714922431175139555783581918753, which is a unit, inverse 81475874003799270243122483189086420723726815346591292526890606927317739.
<p>(255515944373312847190720520512484175977) divides n-1.
<p>(255515944373312847190720520512484175977)^2 > n.
<p>n is prime by Pocklington's theorem.