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
75964951TF
No factors below 275
TF target 274
P-1
B1 = 690000
B2 = 13627500
LL
StatusDateUserResidueShift
Verified2017-05-21Stephan Grupp7AA28FB5FF807C9922743000
Verified2017-12-01frolyar7AA28FB5FF807C9960413536
History
DateUserTypeResult
2017-12-01frolyarC-LL
7AA28FB5FF807C99
2017-05-21Stephan GruppC-LL
7AA28FB5FF807C99
2016-01-21AirSquirrelsNF
no factor from 2^74 to 2^75
2015-04-15ixfd64NF-PM1
B1=690000, B2=13627500
2015-04-10ChuckNF
no factor from 2^73 to 2^74
2015-04-081997rj7NF
no factor from 2^72 to 2^73
2015-04-081997rj7NF
no factor from 2^71 to 2^72
2013-01-03RMAC9.5NF
no factor to 2^71
2010-10-30GrunwalderGIMPNF
no factor from 2^69 to 2^70
2010-10-28GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-08-27arnaudNF
no factor from 2^67 to 2^68
2010-08-23arnaudNF
no factor from 2^66 to 2^67
2010-08-19pieppiepNF
no factor from 2^65 to 2^66
2010-08-15Roger C HaslockNF
no factor from 2^64 to 2^65
2009-06-02Architects CubedNF
no factor from 2^63 to 2^64