Listed on Makoto Kamada s site: http://hpcgi2.nifty.com/m_kamada/f/phin10.cgi?p=260#P25973

Primality testing Phi(25973,10)/279885049/6473457587027 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Generic modular reduction using generic reduction FFT length 8K on A 81609-bit number
Running N+1 test using discriminant 5, base 4+sqrt(5)
Generic modular reduction using generic reduction FFT length 8K on A 81609-bit number
Calling N+1 BLS with factored part 0.04% and helper 0.03% (0.16% proof)
Phi(25973,10)/279885049/6473457587027 is Fermat and Lucas PRP! (609.5319s+0.0048s)

To be completed...