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
8332529
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
742956877661537689040892376.02012-10-04 22:30:06
P-1 factors
DateFactorsB1B2
2012-10-0474295687766153768904089
2100004777500
LL
StatusDateUserResidueShiftSoftware
Factored2000-08-01Stephen WoodB78CDF8FA169932D7916813Linux 32-bit,Prime95,v20,(aka WW2)
Factored2002-09-07Rory TrippB78CDF8FA169932D1032859Windows,Prime95,v21,(aka WX1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-12ATH344150F3FDFADE8D1354631753
Verified
PRP without proof (not generated)
2020-04-26Team_Inspector344150F3FDFADE8D1674267553
History
DateUserTypeResult
2025-03-14beepNF-PM1B1=1750000, B2=6798611820
2020-04-26Team_InspectorC-PRPM8332529/74295687766153768904089 : 344150F3FDFADE8D
2018-10-12ATHC-PRPM8332529/74295687766153768904089 : 344150F3FDFADE8D
2012-10-04James HeinrichF-PM1Factor: 74295687766153768904089
2002-09-07-anonymous-C-LLB78CDF8FA169932D
2000-08-01Stephen WoodC-LLB78CDF8FA169932D
2000-06-11Stephen WoodNF-PM1B1=105000, B2=105000
2000-02-01Stephen WoodNFno factor TF: 1-64
1998-12-21-anonymous-NFno factor TF: 1-63
1998-11-21-anonymous-NFno factor TF: 1-62