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 L2121, one of those codes.
Code name (*): L2121 Persons (*): 1 (counting humans only) Projects (*): 1 (counting projects only) Display (HTML): VanRangelrooij, PSieve, Srsieve, PrimeGrid, LLR Number of primes: total 34 Unverified Primes: 0 (prime table entries marked 'Composite','Untested', or 'InProcess' Score for Primes (*): total 47.6275, on current list 47.3392 (normalized score 15) Entrance Rank (*): mean 168.25 (minimum 67, maximum 267)
Below is additional information about this entry.
Display (text): VanRangelrooij, PSieve, Srsieve, PrimeGrid, LLR Display (short): VanRangelrooij Database id: 5586 (do not use this database id, it is subject to change) Proof program: LLR The primes from this code accounts for 0.081% of the (active) primes and 0.015% of the (active) score for this program. Entry last modified: 2022-11-30 20:50:13