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
5088887
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
865110791929.7old
111211818354266571753.32014-09-16 11:56:38
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)
2017-09-20kkmrkkblmbrbk0FA7A416DD8D5E202013
Verified
PRP without proof (not generated)
2018-05-03storm55100FA7A416DD8D5E202335199213
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-PRPM5088887/865110791/11121181835426657 : 0FA7A416DD8D5E20
2017-09-20kkmrkkblmbrbkC-PRPM5088887/11121181835426657/865110791 : 0FA7A416DD8D5E20
2014-09-16TJAOIFFactor: 11121181835426657