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

PrimeNet Exponent Status

Exponent Range:





MnDetails
5033839
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
6388038340708811549.2old
1386140078080491611856.92015-05-12 11:52:14
135493829177887876759932373.52023-05-12 01:36:45
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)
2017-11-21storm55108659ECF32B67A8912371621553
Factored
PRP without proof (not generated)
2018-01-16kkmrkkblmbrbk8659ECF32B67A8912119054553
Verified
Certified Good
2023-05-17Perig8659ECF32B67A8913196317753
History
DateUserTypeResult
2025-02-02Sid & AndyNF-PM1B1=5200000, B2=6468208110
2025-01-06Sid & AndyNFno factor TF: 68-70
2024-05-11cramsey87NF-PM1B1=500000, B2=324995580
2023-05-17Ben DeloCERT
Proof certified good
2023-05-17PerigC-PRPM5033839/638803834070881/138614007808049161/13549382917788787675993 : 8659ECF32B67A891
Proof Certified Good

Proof Power: 7

2023-05-12This -Anonymous-F-ECMFactor: 13549382917788787675993
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-01-16kkmrkkblmbrbkC-PRPM5033839/638803834070881/138614007808049161 : 8659ECF32B67A891
2017-11-21storm5510C-PRPM5033839/638803834070881/138614007808049161 : 8659ECF32B67A891
2015-05-12TJAOIFFactor: 138614007808049161