Proof-code: A27

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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 A27, one of those codes.

Code name (*):A27
Persons (*):1 (counting humans only)
Projects (*):1 (counting projects only)
Display (HTML):Piesker, PSieve, Srsieve, NPLB, PRST
Number of primes:total 34
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess'
Score for Primes (*):total 49.4376, on current list 49.3852 (normalized score 50)
Entrance Rank (*):mean 3774.58 (minimum 3519, maximum 4850)
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Below is additional information about this entry.

Display (text):Piesker, PSieve, Srsieve, NPLB, PRST
Display (short):Piesker
Database id:10216 (do not use this database id, it is subject to change)
Proof program:PRST  The primes from this code accounts for 11.232% of the (active) primes and 0.272% of the (active) score for this program.
Entry last modified:2025-05-16 21:37:09
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