Quote:
Originally Posted by wfgarnett3
If in both cases they are first time tests why is the probability stated in Prime95 of the exponent being a Mersenne prime significantly worse with PRP than LL?

They shouldn't. The type of test doesn't affect the probability; only the size of number (i.e. exponent) and amount of factorizartion (TF + P1) does. It would be good if you can put some screenshots of the probability.