1st PRP for 16^n-30837

Sieved to P=10G

Primality testing 2^33320-30837 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 7, base 1+sqrt(7)
Calling N+1 BLS with factored part 0.08% and helper 0.06% (0.31% proof)
2^33320-30837 is Fermat and Lucas PRP! (45.9114s+0.0028s)

To be completed...