Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Assignment Work Types

PrimeNet assigns research work units of various types. These are listed in the table below.

Project WorkType ID Description Notes
GIMPSTF2trial factoringscreen for not-prime, assigned as factoring
GIMPSPM1-S3factor P-1 smallscreen for not-prime, assigned as factoring
GIMPSPM1-L4factor P-1 largescreen for not-prime, assigned as P-factoring
GIMPSECM5factor ECM smallscreen for not-prime, assigned as ECM
GIMPSPP16factor P+1screen for not-prime, assigned as P+1 factoring
GIMPSTF-LMH90trial factoring LMHscreen for not-prime, factoring to low limits
GIMPSPM1-R95factor P-1 redoscreen for not-prime, reassigned as P-factoring
GIMPSLL100LL first testprimality test, assigned as first LL test
GIMPSD101LL double-checkprimality test, assigned as LL verification
GIMPSPRP150PRP testprobable prime test, assigned as PRP test
GIMPSPRP-D151PRP double-checkprobable prime test, assigned as PRP verification
GIMPSPRP-CF160PRP cofactor testprobable prime test, assigned as PRP cofactor test
GIMPSPRP-CF-D161PRP cofactor test double-checkprobable prime test, assigned as PRP cofactor verification
GIMPSCERT200PRP proof certificationproof verification, assigned to reliable computers
GIMPSECM-F250ECM FermatECM Fermat test, assigned for ECM Fermat testing
GIMPSECM-MF251ECM more factorsECM more factors, assigned for more ECM factoring
GIMPSECM-C252ECM CunninghamECM Cunningham, assigned for ECM Cunningham testing