Found with PFGW Version 3.7.5

28^30547+27 is 2-PRP! (28.4851s+0.0047s)
28^30547+27 is 3-PRP! (27.8940s+0.0052s)
28^30547+27 is 5-PRP! (29.0188s+0.0063s)
28^30547+27 is 7-PRP! (28.2885s+0.0054s)
28^30547+27 is 11-PRP! (28.2234s+0.0047s)

Primality testing 28^30547+27 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 19, base 15+sqrt(19)
Calling N+1 BLS with factored part 0.06% and helper 0.03% (0.22% proof)
28^30547+27 is Fermat and Lucas PRP! (220.0997s+0.0049s)

To be completed...