# Proof-code: CH12

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 CH12, one of those codes.

Code name(*):CH12 (See the descriptive data below.) Persons(*):2 (counting humans only) Projects(*):0 (counting projects only) Display (HTML):Propper, Batalov, Primo, OpenPFGW, CHG Number of primes:total 1 Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess') Score for Primes(*):total 37.9996, on current list 37.9996 Entrance Rank(*):mean 50329.00 (minimum 50329, maximum 50329)

Below is additional information about this entry.

Display (text): Propper, Batalov, Primo, OpenPFGW, CHG Display (short): Propper & Batalov Database id: 9106 (do not use this database id, it is subject to change) Proof program: CHG The primes from this code accounts for 4.000% of the (active) primes and 0.009% of the (active) score for this program. Entry last modified: 2021-02-26 16:20:24

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