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
8320777
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
359803149487499448057298692792994.92011-01-21 12:36:58
LL
StatusDateUserResidueShiftSoftware
Factored1999-11-24Gerhard H WrodniggCED8306A038D78667456376Windows,Prime95,v19,NT service,(aka WV5)
Factored2003-10-23Aaron BCED8306A038D78663977749Windows,Prime95,v23,(aka WZ1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-10EthanD9504E5CA71FC31E61766091853
Verified
PRP without proof (not generated)
2020-05-03Luigi Morelli9504E5CA71FC31E61157074053
History
DateUserTypeResult
2025-01-02Stef42NF-PM1B1=1125000, B2=1800080100
2020-05-03Luigi MorelliC-PRPM8320777/35980314948749944805729869279 : 9504E5CA71FC31E6
2018-10-10EthanDC-PRPM8320777/35980314948749944805729869279 : 9504E5CA71FC31E6
2011-01-21Carsten KossendeyF-PM1Factor: 35980314948749944805729869279
2003-10-23MadPoo 🙂C-LLCED8306A038D7866
2003-10-23MadPoo 🙂C-LLCED8306A038D7866
2003-03-07MadPoo 🙂C-LLCED8306A038D7866
2002-10-19Stephen WoodNF-PM1B1=35000, B2=35000
1999-11-24Michael HanschoC-LLCED8306A038D7866
1999-10-15Michael HanschoNFno factor TF: 1-64
1998-10-04bezaharNFno factor TF: 1-63
1998-09-06-anonymous-NFno factor TF: 1-61