Listed on Makoto Kamada s site: http://hpcgi2.nifty.com/m_kamada/f/phin10.cgi?p=275#P27472

Primality testing Phi(27472,10)/1752823489/2585888619217 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Generic modular reduction using generic reduction FFT length 4K on A 42449-bit number
Running N+1 test using discriminant 13, base 10+sqrt(13)
Generic modular reduction using generic reduction FFT length 4K on A 42449-bit number
Calling N-1 BLS with factored part 0.11% and helper 0.03% (0.36% proof)
Phi(27472,10)/1752823489/2585888619217 is Fermat and Lucas PRP! (140.5370s+0.0109s)

To be completed...