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
5084371
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
50843711825.6old
338536340610083410972492374.82025-01-14 04:01:32
P-1 factors
DateFactorsB1B2
2025-01-1433853634061008341097249
36000009211762560
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
Factored
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbk48C473F3ECAAC2FC1013
Factored
PRP without proof (not generated)
2018-05-02storm551048C473F3ECAAC2FC1405668913
Verified
Certified Good
2025-01-20AshtonB3D905F5FC04FBF62422814053
History
DateUserTypeResult
2025-01-21Sid & AndyNFno factor TF: 68-70
2025-01-20JG48CERT
Proof certified good
2025-01-20AshtonC-PRP
Proof Certified Good

Proof Power: 7

2025-01-14Sid & AndyF-PM1Factor: 33853634061008341097249 / B1=3600000, B2=9211762560
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-02storm5510C-PRPM5084371/50843711 : 48C473F3ECAAC2FC
2017-09-20kkmrkkblmbrbkC-PRPM5084371/50843711 : 48C473F3ECAAC2FC