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
71144273Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 12900000
LL
StatusDateUserResidueShift
Verified2017-02-04George Woltman93BDF51FE490F88358284154
Verified2024-09-03Ryan Propper93BDF51FE490F88370462244
History
DateUserTypeResult
2024-09-03Ryan PropperC-LL
93BDF51FE490F883
2017-02-04George WoltmanC-LL
93BDF51FE490F883
2016-07-29-Anonymous-NF
no factor from 2^74 to 2^75
2014-07-15kharlanNF-PM1
B1=645000, B2=12900000, E=6
2014-07-11NickOfTimeNF
no factor from 2^73 to 2^74
2014-07-09Matthias WurtingerNF
no factor from 2^72 to 2^73
2014-07-06ixfd64NF
no factor from 2^71 to 2^72
2013-07-02GrunwalderGIMPNF
no factor from 2^70 to 2^71
2013-05-11SMoffatNF
no factor from 2^69 to 2^70
2011-04-15CaptainEntropyNF
no factor from 2^68 to 2^69
2010-06-18eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-03-19ddboy3NF
no factor from 2^66 to 2^67
2010-03-13Sturle SundeNF
no factor from 2^65 to 2^66
2010-03-10Helmut ZulusNF
no factor from 2^64 to 2^65
2008-10-21Wojciech FlorekNF
no factor to 2^64