# Proof-code: CH4

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 CH4, one of those codes.

Code name(*):CH4 (See the descriptive data below.) Persons(*):3 (counting humans only) Projects(*):0 (counting projects only) Display (HTML):Irvine, Broadhurst, Water, OpenPFGW, Primo, CHG Number of primes:total 3 Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess' Score for Primes(*):total 37.3809, on current list 37.2491 Entrance Rank(*):mean 22027.00 (minimum 14655, maximum 29399)

Below is additional information about this entry.

Display (text): Irvine, Broadhurst, Water, OpenPFGW, Primo, CHG Display (short): Irvine, Broadhurst & Water Database id: 1085 (do not use this database id, it is subject to change) Proof program: CHG The primes from this code accounts for 6.897% of the (active) primes and 0.001% of the (active) score for this program. Entry last modified: 2024-08-13 01:37:36

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