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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
86822531Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 700000
B2 = 13825000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-09-28ky0uraku1A889C77A97B3EE93635248813
Verified2025-03-18Greg1A889C77A97B3EE9013
History
DateUserTypeResult
2025-03-18Team_SchaubCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-03-18GregC-PRP
1A889C77A97B3EE9
PRP proof power = 9
PRP: Verified
Proof certified good
2019-09-28ky0urakuC-PRP
1A889C77A97B3EE9
PRP: Verified
PRP without proof (not generated)
2018-05-08David HruskaNF-PM1
B1=700000, B2=13825000, E=12
2018-03-02Jon PaceNF
no factor from 2^75 to 2^76
2018-02-07Brian BeuningNF
no factor from 2^74 to 2^75
2017-06-05Tim SorberaNF
no factor from 2^73 to 2^74
2013-11-17processinfoNF
no factor from 2^72 to 2^73
2013-11-17processinfoNF
no factor from 2^71 to 2^72
2013-11-17processinfoNF
no factor from 2^70 to 2^71
2013-09-19Stephen J. HerschkornNF
no factor from 2^69 to 2^70
2013-08-18RobishNF
no factor from 2^68 to 2^69
2013-08-18RobishNF
no factor from 2^67 to 2^68
2013-06-18processinfoNF
no factor from 2^66 to 2^67
2013-01-31LaurVNF
no factor from 2^65 to 2^66
2010-11-23Architects CubedNF
no factor from 2^64 to 2^65