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
84175277Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 675000
B2 = 13331250
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-03-31ky0uraku9208B6DBF7469DB04156325213
Verified2020-11-21LaurV9208B6DBF7469DB0013
History
DateUserTypeResult
2020-11-21Steve SybesmaCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-11-21LaurVC-PRP
9208B6DBF7469DB0
PRP proof power = 8
PRP: Verified
Proof certified good
2019-03-31ky0urakuC-PRP
9208B6DBF7469DB0
PRP: Verified
PRP without proof (not generated)
2017-10-29TheJudgerNF-PM1
B1=675000, B2=13331250, E=12
2017-04-18A_SavchenkoNF
no factor from 2^75 to 2^76
2017-04-18A_SavchenkoNF
no factor from 2^74 to 2^75
2017-03-11Brian BeuningNF
no factor from 2^73 to 2^74
2017-01-08Judge HaleNF
no factor from 2^72 to 2^73
2017-01-08Judge HaleNF
no factor from 2^71 to 2^72
2014-08-30SMoffatNF
no factor from 2^70 to 2^71
2014-05-16Gulyás AttilaNF
no factor from 2^69 to 2^70
2014-03-03roemer2201NF
no factor from 2^68 to 2^69
2014-02-12ANONYMOUSNF
no factor from 2^67 to 2^68
2013-08-16processinfoNF
no factor from 2^66 to 2^67
2012-09-13Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-23Architects CubedNF
no factor from 2^64 to 2^65