Primality proof for n = 90050068090664042551646936303486902724615855323314057604193773:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=669909697361913545660898382546007419518544524592370543.html>669909697361913545660898382546007419518544524592370543 is prime.</a>
<br>b^((n-1)/669909697361913545660898382546007419518544524592370543)-1 mod n = 69956533408516809605491217315586076635329733994132581285800710, which is a unit, inverse 61769177632366297338544823469855568429487710022487625510590641.
<p>(669909697361913545660898382546007419518544524592370543) divides n-1.
<p>(669909697361913545660898382546007419518544524592370543)^2 > n.
<p>n is prime by Pocklington's theorem.