Proof-code: p136
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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 p136, one of those codes.

Code name (*):p136   (See the descriptive data below.)
Persons (*):1 (counting humans only)
Projects (*):0 (counting projects only)
Display (HTML):Broadhurst, NewPGen, LLR, OpenPFGW
Number of primes:total 2
Unverified Primes:0 (prime table entries marked 'Composite','Untested', or 'InProcess')
Score for Primes (*):total 40.0490

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Testing versions of LLR, one of which failed to find a prime proven by OpenPFGW, namely 25*2^130407-1. Proofs for this code are credited to OpenPFGW, which agreed with LLR on the primality of 137*2^310790-1. The instability of LLR was also noted here and again here and yet again here. All now seems to be well.
Below is additional information about this entry.
Display (text):Broadhurst, NewPGen, LLR, OpenPFGW
Display (short):Broadhurst
Database id:756 (do not use this database id, it is subject to change)
Proof program:PrimeForm  
Entry last modified:2017-12-11 16:20:12