I am no longer working in the t500.txt file.
I have several queued up to be worked from "A list of the most difficult composites for the proof of N > 10^2000."
Code:
9059 47 106105986521...
9157 47 157403461913...
7541 53 423021573075...
7549 53 447000133868...
9649 47 193299667109...
9677 47 220860967177...
Only the first is currently active.