Congrats
Please attribute TOPS, Ksieve, LLR, PrimeForm (a.k.a OpenPFGW for the BLS part), of course, CHG in your new prover code.
According to
http://primes.utm.edu/bios/page.php?id=797 the largest number proved with CHG was:
(4529^16381 - 1)/4528 (59886 digits) via code CH2 on 12/01/2012