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
85971293Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 715000
B2 = 13585000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-07-20ky0urakuB67B83A01F05ED2A3498899613
Verified2022-04-27ATHB67B83A01F05ED2A013
History
DateUserTypeResult
2022-04-27ehustvedtCERT
PRP Certification
CERT proof power = 8
Proof certified good
2022-04-27ATHC-PRP
B67B83A01F05ED2A
PRP proof power = 8
PRP: Verified
Proof certified good
2019-07-20ky0urakuC-PRP
B67B83A01F05ED2A
PRP: Verified
PRP without proof (not generated)
2018-02-23La GüiraNF-PM1
B1=715000, B2=13585000
2017-11-15Strolling JellyfishNF
no factor from 2^75 to 2^76
2017-10-24Brian BeuningNF
no factor from 2^74 to 2^75
2017-05-06RichD0NF
no factor from 2^73 to 2^74
2017-03-19Judge HaleNF
no factor from 2^72 to 2^73
2017-03-19Judge HaleNF
no factor from 2^71 to 2^72
2014-11-29PascalBieriNF
no factor from 2^70 to 2^71
2013-07-25Le ComteNF
no factor from 2^69 to 2^70
2013-07-25Le ComteNF
no factor from 2^68 to 2^69
2013-06-28ITSNF
no factor from 2^67 to 2^68
2013-06-20ITSNF
no factor from 2^66 to 2^67
2013-03-08Shun-1NF
no factor from 2^65 to 2^66
2010-12-25Architects CubedNF
no factor from 2^64 to 2^65