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
84538561Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 675000
B2 = 13331250
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-07-20ky0uraku79239D567B7634952331701113
Verified2021-04-07Zenzoma79239D567B763495013
History
DateUserTypeResult
2021-04-07curtiscCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-04-07ZenzomaC-PRP
79239D567B763495
PRP proof power = 8
PRP: Verified
Proof certified good
2018-07-20ky0urakuC-PRP
79239D567B763495
PRP: Verified
PRP without proof (not generated)
2017-11-20Oliver KruseNF-PM1
B1=675000, B2=13331250, E=12
2017-05-07TheJudgerNF
no factor from 2^75 to 2^76
2017-04-30Brian BeuningNF
no factor from 2^74 to 2^75
2017-02-13-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-13-Anonymous-NF
no factor from 2^72 to 2^73
2017-02-13-Anonymous-NF
no factor from 2^71 to 2^72
2014-09-13SMoffatNF
no factor from 2^70 to 2^71
2014-02-20SMoffatNF
no factor from 2^69 to 2^70
2014-02-16SMoffatNF
no factor from 2^68 to 2^69
2014-02-12SMoffatNF
no factor from 2^67 to 2^68
2014-02-11SMoffatNF
no factor from 2^66 to 2^67
2012-09-13Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-25Architects CubedNF
no factor from 2^64 to 2^65