LLR:
(23*10^79492-11)/3 is base 3-Strong Fermat PRP! (79493 decimal digits) Time : 262.274 sec.
(23*10^79492-11)/3 is strong-Fermat, Lucas and Frobenius PRP! (P = 5, Q = 2, D = 17) Time : 921.814 sec.

To be completed...