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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MnDetails
4355459
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 265
Factored
FactorDigitsBitsDate
917591440688255594332066.32018-05-02 01:36:21
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredMike Warren444B06ABC38DE5BA0Windows,Prime95,v14,(aka WQ1)
Factored1999-11-24A.J. Downer444B06ABC38DE5BA2945595Windows,Prime95,v19,(aka WV1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-05-02ATHF7C6D46C0FE0E3A51124360953
Verified
PRP without proof (not generated)
2018-05-02storm5510F7C6D46C0FE0E3A51405378853
History
DateUserTypeResult
2024-08-18cramsey87NF-PM1B1=1400000, B2=1320754050
2018-05-02storm5510C-PRPM4355459/91759144068825559433 : F7C6D46C0FE0E3A5
2018-05-02ATHC-PRPM4355459/91759144068825559433 : F7C6D46C0FE0E3A5
2018-05-02chuenkitFFactor: 91759144068825559433 / TF: 66-67
2016-02-23Mark RoseNFno factor TF: 62-63
2015-06-18snme2pm1NFno factor TF: 65-66
2014-06-30lycornNFno factor TF: 64-65
2014-06-29JayderNFno factor TF: 63-64
2012-01-14GrunwalderGIMPNFno factor TF: 1-63
2011-12-26Squeeky_SquirrelNF-PM1B1=110000, B2=2227500, E=6
2010-11-22markrNFno factor TF: 61-62
2009-09-05Carsten KossendeyNF-PM1B1=25000, B2=356250
2002-04-07David CampeauNFno factor TF: 1-61
2000-02-23-anonymous-C-LL444B06ABC38DE5BA
2000-02-16-anonymous-C-LL444B06ABC38DE5BA
1999-11-24-anonymous-C-LL444B06ABC38DE5BA