Proof-code: E5

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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 E5, one of those codes.

Code name (*):E5
Persons (*):1 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Underwood, CM
Number of primes:total 5
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess'
Score for Primes (*):total 38.5646, on current list 38.4793
Entrance Rank (*):mean 62724.00 (minimum 56835, maximum 66593)
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Below is additional information about this entry.

Display (text):Underwood, CM
Display (short):Underwood
Database id:9642 (do not use this database id, it is subject to change)
Proof program:cm  The primes from this code accounts for 3.279% of the (active) primes and 2.468% of the (active) score for this program.
Entry last modified:2025-09-17 07:37:11
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