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
5507081
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 266
Factored
FactorDigitsBitsDate
33042487825.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-12-04kkmrkkblmbrbkD64F6FC97496B8F91254248853
Verified
PRP without proof (not generated)
2018-07-01storm5510D64F6FC97496B8F91192808453
History
DateUserTypeResult
2025-06-02Sid & AndyNF-PM1B1=4700000, B2=7660491300
2025-05-10Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-07-01storm5510C-PRPM5507081/33042487 : D64F6FC97496B8F9
2017-12-04kkmrkkblmbrbkC-PRPM5507081/33042487 : D64F6FC97496B8F9