# Proof-code: CH9

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 CH9, one of those codes.

Code name(*):CH9 (See the descriptive data below.) Persons(*):1 (counting humans only) Projects(*):0 (counting projects only) Display (HTML):Zhou, OpenPFGW, CHG Number of primes:total 4 Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess' Score for Primes(*):total 47.2297, on current list 47.1945 (normalized score 9) Entrance Rank(*):mean 2184.00 (minimum 414, maximum 3801)

Below is additional information about this entry.

Display (text): Zhou, OpenPFGW, CHG Display (short): Zhou Database id: 8247 (do not use this database id, it is subject to change) Proof program: CHG The primes from this code accounts for 10.345% of the (active) primes and 29.941% of the (active) score for this program. Entry last modified: 2024-06-22 08:37:14

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