Primality proof for n = 3788735183:
Take b = 2.
b^(n-1) mod n = 1.
5975923 is prime. b^((n-1)/5975923)-1 mod n = 1789717084, which is a unit, inverse 3699304885.
(5975923) divides n-1.
(5975923)^2 > n.
n is prime by Pocklington's theorem.