Samuel Yates began, and this site continues, a database of the largest known primes. Primes in that database are assigned a proof-code to show who should be credited with the discovery as well as what programs and projects they used. (Discoverers have one prover-entry, but may have many proof-codes because they use a variety of programs...)
This page provides data on CH2, one of those codes.
Code name (*): CH2 (See the descriptive data below.) Persons (*): 1 (counting humans only) Projects (*): 0 (counting projects only) Display (HTML): Wu_T, Primo, OpenPFGW, CHG Number of primes: total 12 Unverified Primes: 0 (prime table entries marked 'Composite','Untested', or 'InProcess') Score for Primes (*): total 40.4443, on current list 40.3862 Entrance Rank (*): mean 40200.43 (minimum 32834, maximum 44240)
Below is additional information about this entry.
Display (text): Wu_T, Primo, OpenPFGW, CHG Display (short): Wu_T Database id: 1072 (do not use this database id, it is subject to change) Proof program: CHG The primes from this code accounts for 29.167% of the (active) primes and 0.186% of the (active) score for this program. Entry last modified: 2020-09-28 16:50:16