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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Exponent Range:





MnDetails
6741347
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
2247546757031240692555626972787.52009-06-23 05:44:42
5987281028601207356344705192789.02023-12-26 18:26:27
P-1 factors
DateFactorsB1B2
2023-12-26598728102860120735634470519
507000507000
LL
StatusDateUserResidueShiftSoftware
Factored1999-05-09Blaine DealF15619C2DBD426E62103709Windows,Prime95,v18,NT service,(aka WU5)
Factored2001-07-22Joe KaufmanF15619C2DBD426E61927757Linux 32-bit,Prime95,v19,(aka WV2)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-01-06treborD5C846826C1710B9110417553
Factored
PRP without proof (not generated)
2018-12-07storm5510D5C846826C1710B91493335153
Verified
Certified Good
2023-12-31Naegi MakotoD5C846826C1710B92208907753
History
DateUserTypeResult
2023-12-31Ben DeloCERT
Proof certified good
2023-12-31Naegi MakotoC-PRPM6741347/224754675703124069255562697/598728102860120735634470519 : D5C846826C1710B9
Proof Certified Good

Proof Power: 8

2023-12-27Stef42NF-PM1B1=6500000, B2=35220320520
2023-12-26Stef42F-PM1Factor: 598728102860120735634470519 / B1=507000
2018-12-07storm5510C-PRPM6741347/224754675703124069255562697 : D5C846826C1710B9
2018-01-06treborC-PRPM6741347/224754675703124069255562697 : D5C846826C1710B9
2009-06-23Carsten KossendeyF-PM1Factor: 224754675703124069255562697
2004-10-03David CampeauNFno factor TF: 1-63
2001-07-22sutekh137C-LLF15619C2DBD426E6
1999-05-09-anonymous-C-LLF15619C2DBD426E6
1999-03-01-anonymous-C-LL6E02391764078D__
1998-07-11-anonymous-NFno factor TF: 1-62