Primality proof for n = 82357043705861571042799942460715218111:

Take b = 2.

b^(n-1) mod n = 1.

1176529195798022443468570606581645973 is prime.
b^((n-1)/1176529195798022443468570606581645973)-1 mod n = 1180591620717411303423, which is a unit, inverse 28400898209859348889760089546502274558.

(1176529195798022443468570606581645973) divides n-1.

(1176529195798022443468570606581645973)^2 > n.

n is prime by Pocklington's theorem.