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
3385127
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 264
Factored
FactorDigitsBitsDate
416573728631135.3old
2257331955701884715212167.62021-05-21 20:34:28
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)
2017-11-05Oliver Kruse80DECA68B333DAD31311906653
Factored
PRP without proof (not generated)
2017-12-15kkmrkkblmbrbk80DECA68B333DAD31235676253
Verified
Certified Good
2021-08-02/r/counting80DECA68B333DAD3270881453
History
DateUserTypeResult
2022-02-09JossNF-PM1B1=1000000, B2=119912100
2021-08-02YoonCERT
Proof certified good
2021-08-02/r/countingC-PRPM3385127/41657372863/225733195570188471521 : 80DECA68B333DAD3
Proof Certified Good

Proof Power: 7

2021-05-21JossFFactor: 225733195570188471521 / TF: 67-68
2021-03-13JossNF-PM1B1=338512, B2=3723639
2017-12-15kkmrkkblmbrbkC-PRPM3385127/41657372863 : 80DECA68B333DAD3
2017-11-05Oliver KruseC-PRPM3385127/41657372863 : 80DECA68B333DAD3