Proof-code: A68

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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 A68, one of those codes.

Code name (*): A68

Persons (*): 1 (counting humans only)

Projects (*): 1 (counting projects only)

Display (HTML): Schroeder3, Srsieve, CRUS, PRST

Number of primes: total 24

Unverified Primes: 3 (prime table entries marked 'Composite','Untested', or 'InProcess'

Score for Primes (*): total 50.0081, on current list 49.8371 (normalized score 30)

Entrance Rank (*): mean 2174.50 (minimum 538, maximum 4882)

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Below is additional information about this entry.

Display (text): Schroeder3, Srsieve, CRUS, PRST

Display (short): Schroeder3

Database id: 10552 (do not use this database id, it is subject to change)

Proof program: PRST The primes from this code accounts for 4.601% of the (active) primes and 0.357% of the (active) score for this program.

Entry last modified: 2026-10-25 12:37:14

Code name (*):	A68
Persons (*):	1 (counting humans only)
Projects (*):	1 (counting projects only)
Display (HTML):	Schroeder3, Srsieve, CRUS, PRST
Number of primes:	total 24
Unverified Primes:	3 (prime table entries marked 'Composite','Untested', or 'InProcess'
Score for Primes (*):	total 50.0081, on current list 49.8371 (normalized score 30)
Entrance Rank (*):	mean 2174.50 (minimum 538, maximum 4882)

Display (text):	Schroeder3, Srsieve, CRUS, PRST
Display (short):	Schroeder3
Database id:	10552 (do not use this database id, it is subject to change)
Proof program:	PRST The primes from this code accounts for 4.601% of the (active) primes and 0.357% of the (active) score for this program.
Entry last modified:	2026-10-25 12:37:14