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:





MnDetails
3364297
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 264
Factored
FactorDigitsBitsDate
300552365110809103480886572684.62025-02-03 05:08:32
ECM
DigitsB1Curves
2550000225 / 280
Estimated T-Level: 24.0
TF below 2^75 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Factoredphil kenny8C2544FE21EA75D80Windows,Prime95,v14,(aka WQ1)
Factored1999-07-12John Hartman8C2544FE21EA75D83022860Windows,Prime95,v18,(aka WU1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
Certified Good
2025-02-03Ruslan BorisovBBB5A4A4DCA2F88D160913153
History
DateUserTypeResult
2025-02-03Daniel CrissingerCERT
Proof certified good
2025-02-03Ruslan BorisovC-PRPM3364297/30055236511080910348088657 : BBB5A4A4DCA2F88D
Proof Certified Good

Proof Power: 7

2025-02-03Ruslan BorisovF-ECMFactor: 30055236511080910348088657 / ECM curve 17, B1=133908, B2=145935405, Edwards Sigma=7703352703918608
2023-05-17Sid & AndyNF-PM1B1=6200000, B2=22250037810
2023-05-11JossNF-PM1B1=1000000, B2=887672940
2022-10-10TJAOINFno factor TF: 69-70
2021-08-11MadPoo 🙂NFno factor TF: 68-69
2020-12-14mikrNF-PM1B1=4000000, B2=150000000
2018-11-26TJAOINFno factor TF: 67-68
2017-04-05JossNF-PM1B1=330000, B2=3300000, E=6
2017-03-07Gordon SpenceNFno factor TF: 66-67
2016-03-04ramgeisNFno factor TF: 65-66
2016-02-23Mark RoseNFno factor TF: 1-60
2016-02-23Mark RoseNFno factor TF: 62-63
2015-07-20Squeeky_SquirrelNF-PM1B1=165000, B2=4290000, E=6
2015-02-11VictordeHollanderNFno factor TF: 64-65
2015-02-11VictordeHollanderNFno factor TF: 63-64
2014-09-29JossNF-PM1B1=95276
2014-06-09JossNF-PM1B1=76198
2012-11-15GrunwalderGIMPNFno factor TF: 1-63
2011-10-15USAFSSNF-PM1B1=55000, B2=907500, E=6
2011-09-03Grant McCrackenNFno factor TF: 61-62
2009-07-06Carsten KossendeyNF-PM1B1=15000, B2=206250
2009-03-27S485122NFno factor TF: 60-61
1999-09-30-anonymous-C-LL8C2544FE21EA75D8
1999-07-12-anonymous-C-LL8C2544FE21EA75D8