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
71891207TF
No factors below 277
TF target 274
P-1
B1 = 376000
B2 = 138458880
LL
StatusDateUserResidueShift
Verified2017-04-26Dmitriy DegtiarevEC21BE00522522B666265167
Verified2023-10-10Juxuny WuEC21BE00522522B635883448
History
DateUserTypeResult
2023-10-10Juxuny WuC-LL
EC21BE00522522B6
2022-09-27ScottieMckinleyNF-PM1
B1=376000, B2=138458880
2020-05-28-Anonymous-NF
no factor from 2^76 to 2^77
2020-05-26-Anonymous-NF
no factor from 2^75 to 2^76
2017-04-26Dmitriy DegtiarevC-LL
EC21BE00522522B6
2016-08-09AirSquirrelsNF
no factor from 2^74 to 2^75
2014-08-31-Anonymous-NF-PM1
B1=775000
2014-08-14kdgehmanNF
no factor from 2^73 to 2^74
2014-08-13kdgehmanNF
no factor from 2^72 to 2^73
2014-08-13kdgehmanNF
no factor from 2^71 to 2^72
2014-05-18HBendtzNF
no factor from 2^70 to 2^71
2011-07-15tscNF
no factor to 2^70
2011-03-23subgeniusNF
no factor from 2^65 to 2^66
2010-05-02WorknPlayNF
no factor from 2^64 to 2^65
2008-10-14-Anonymous-NF
no factor to 2^64