Proof-code: CD

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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 CD, one of those codes.

Code name (*):CD   (See the descriptive data below.)
Persons (*):2 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Caldwell, Dubner, Cruncher
Number of primes:total 31
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess'
Score for Primes (*):total 32.2999, on current list 32.0170
Entrance Rank (*):mean 255.75 (minimum 79, maximum 709)

Descriptive Data: (report abuse)
Proofs were done with the Dubner Cruncher hardware and code that both Harvey Dubner and I wrote for it.
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Below is additional information about this entry.

Display (text):Caldwell, Dubner, Cruncher
Display (short):Caldwell & Dubner
Database id:136 (do not use this database id, it is subject to change)
Proof program:Cruncher  The primes from this code accounts for 26.667% of the (active) primes and 10.201% of the (active) score for this program.
Entry last modified:2025-05-17 08:37:10
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