Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
5088439
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
50884391825.6old
40264728769494378011961.82016-06-01 11:37:16
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)
2017-09-20kkmrkkblmbrbkB8C6906EBD15CEA92013
Verified
PRP without proof (not generated)
2018-05-03storm5510B8C6906EBD15CEA92242906713
History
DateUserTypeResult
2025-01-24Sid & AndyNF-PM1B1=3600000, B2=9117768660
2025-01-22Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-03storm5510C-PRPM5088439/50884391/4026472876949437801 : B8C6906EBD15CEA9
2017-09-20kkmrkkblmbrbkC-PRPM5088439/4026472876949437801/50884391 : B8C6906EBD15CEA9
2016-06-01TJAOIFFactor: 4026472876949437801