Found with PFGW Version 3.7.5
105^12460-104 is 2-PRP! (7.8828s+0.0020s)
105^12460-104 is 3-PRP! (7.6761s+0.0024s)
105^12460-104 is 5-PRP! (7.8918s+0.0019s)
105^12460-104 is 7-PRP! (7.7720s+0.0019s)
105^12460-104 is 11-PRP! (8.0851s+0.0025s)
Primality testing 105^12460-104 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 11
Running N+1 test using discriminant 37, base 2+sqrt(37)
Calling N-1 BLS with factored part 0.05% and helper 0.00% (0.15% proof)
105^12460-104 is Fermat and Lucas PRP! (53.6993s+0.0041s)
To be completed...