1st PRP for 28^n-30683

Sieved to P=10G

Primality testing 28^8851-30683 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 11, base 1+sqrt(11)
Calling N-1 BLS with factored part 0.05% and helper 0.01% (0.18% proof)
28^8851-30683 is Fermat and Lucas PRP! (148.9972s+0.0095s)

To be completed...