# Proof-code: L1223

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 L1223, one of those codes.

Code name(*):L1223 (See the descriptive data below.) Persons(*):1 (counting humans only) Projects(*):1 (counting projects only) Display (HTML):Courty, PSieve, Srsieve, PrimeGrid, LLR Number of primes:total 52 Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess' Score for Primes(*):total 46.4673, on current list 45.4926 (normalized score 3) Entrance Rank(*):mean 121.00 (minimum 115, maximum 127)

Below is additional information about this entry.

Display (text): Courty, PSieve, Srsieve, PrimeGrid, LLR Display (short): Courty Database id: 4568 (do not use this database id, it is subject to change) Proof program: LLR The primes from this code accounts for 0.041% of the (active) primes and 0.003% of the (active) score for this program. Entry last modified: 2021-10-25 00:37:22

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