Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
5067371
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
91212679826.4old
33654825413281511651.62014-07-03 11:25:52
58728440523226091652.42014-08-07 10:34:40
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbk04A10485F69185C73013
Verified
PRP without proof (not generated)
2018-04-29storm551004A10485F69185C7375609013
History
DateUserTypeResult
2025-02-04Sid & AndyNF-PM1B1=5100000, B2=7366797900
2025-01-16Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-04-29storm5510C-PRPM5067371/91212679/3365482541328151/5872844052322609 : 04A10485F69185C7
2017-09-20kkmrkkblmbrbkC-PRPM5067371/3365482541328151/5872844052322609/91212679 : 04A10485F69185C7
2014-08-07TJAOIFFactor: 5872844052322609
2014-07-03TJAOIFFactor: 3365482541328151