Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
3255283Factored4411721305554834899417
LL
StatusDateUserResidueShift
Verified (Factored)1998-01-26Kai-ming PoonE19E3D56DD7CCAAF0
Verified (Factored)1999-08-22George S. TaylorE19E3D56DD7CCAAF2324767
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2021-04-05XZT1460E857D0E04A181137725553
History
DateUserTypeResult
2021-04-16gLaussNF-PM1B1=10000000, B2=1110000000
2021-04-05curtiscCERTPRP Certification
2021-04-05XZTC-PRPM3255283/4411721305554834899417 : 1460E857D0E04A18
2021-04-04gLaussF-ECMFactor: 4411721305554834899417 / (ECM curve 4, B1=50000, B2=6350000, Sigma=6025361364026312)
2021-02-07ViliamFNFno factor from 2^68 to 2^69
2020-08-09mikrNF-PM1B1=4000000, B2=150000000, E=12
2019-01-07TJAOINFno factor from 2^67 to 2^68
2017-03-29Gordon SpenceNFno factor from 2^66 to 2^67
2016-01-17Jocelyn LaroucheNF-PM1B1=415800, B2=4158000, E=6
2015-06-28ThaNFno factor from 2^65 to 2^66
2015-02-18VictordeHollanderNFno factor from 2^64 to 2^65
2015-02-18VictordeHollanderNFno factor from 2^63 to 2^64
2014-10-07Jocelyn LaroucheNF-PM1B1=99434
2014-06-11Jocelyn LaroucheNF-PM1B1=79717
2013-01-03dbaughNFno factor from 2^62 to 2^63
2011-09-19markrNFno factor to 2^62
2011-09-12harleeNF-PM1B1=60000, B2=1050000, E=6
2009-07-05Carsten KossendeyNF-PM1B1=15000, B2=191250
2009-04-03S485122NFno factor from 2^60 to 2^61
2001-08-24David CampeauNFno factor to 2^60
1999-08-22-Anonymous-C-LLE19E3D56DD7CCAAF
1998-01-26S00030C-LLE19E3D56DD7CCAAF