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 L2721, one of those codes.
Code name (*): L2721 Persons (*): 1 (counting humans only) Projects (*): 1 (counting projects only) Display (HTML): Cooper1, PSieve, Srsieve, PrimeGrid, LLR Number of primes: total 4 Unverified Primes: 0 (prime table entries marked 'Composite','Untested', or 'InProcess' Score for Primes (*): total 43.8032
Below is additional information about this entry.
Display (text): Cooper1, PSieve, Srsieve, PrimeGrid, LLR Display (short): Cooper1 Database id: 6241 (do not use this database id, it is subject to change) Proof program: LLR Entry last modified: 2023-05-30 11:37:35
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