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
91169873Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 277
TF target 275
P-1
B1 = 300000
B2 = 9000000
LL
StatusDateUserResidueShift
Unverified2020-03-20Dmitriy DegtiarevEAA91FAFFD985A__70587250
History
DateUserTypeResult
2020-03-20Dmitriy DegtiarevC-LL
EAA91FAFFD985A__
2019-04-10Mihai PredaNF-PM1
B1=300000, B2=9000000
2019-04-02Kevin JagetNF
no factor from 2^76 to 2^77
2018-12-13tServoNF
no factor from 2^75 to 2^76
2018-12-13tServoNF
no factor from 2^74 to 2^75
2018-01-26gcardonaNF
no factor from 2^73 to 2^74
2018-01-26gcardonaNF
no factor from 2^72 to 2^73
2017-02-28monstNF
no factor from 2^71 to 2^72
2015-08-30monstNF
no factor from 2^70 to 2^71
2015-01-01Six Blue BoxesNF
no factor from 2^69 to 2^70
2014-04-24Per JessenNF
no factor from 2^68 to 2^69
2014-02-15Matthijs CosterNF
no factor from 2^67 to 2^68
2014-02-08Matthijs CosterNF
no factor from 2^66 to 2^67
2011-11-05Shadowjd007NF
no factor from 2^65 to 2^66
2010-12-27Architects CubedNF
no factor from 2^64 to 2^65