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
2614987
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
151669247927.2old
23877817980745371432972271.02024-06-13 23:51:34
ECM
DigitsB1Curves
255000098 / 280
Estimated T-Level: 21.8
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-10-17Oliver Kruse1E7C3B856B15F9621171251753
Factored
PRP without proof (not generated)
2017-12-02storm55101E7C3B856B15F9621174777053
Verified
Certified Good
2024-06-13minikv1161E7C3B856B15F9622112703053
History
DateUserTypeResult
2024-06-14SchwaCERT
Proof certified good
2024-06-13minikv116C-PRPM2614987/151669247/2387781798074537143297 : 1E7C3B856B15F962
Proof Certified Good

Proof Power: 7

2024-06-13minikv116F-ECMFactor: 2387781798074537143297 / ECM curve 5, B1=50000, B2=29300000, Edwards Sigma=1998663519205606
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-12-02storm5510C-PRPM2614987/151669247 : 1E7C3B856B15F962
2017-10-17Oliver KruseC-PRPM2614987/151669247 : 1E7C3B856B15F962