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

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MnDetails
2537363
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
60896713825.9old
ECM
DigitsB1Curves
2550000175 / 280
Estimated T-Level: 23.1
TF below 2^72 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver Kruse3BABEC0BEBA4ECF61243410353
Verified
PRP without proof (not generated)
2017-12-01storm55103BABEC0BEBA4ECF61248684653
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-12-01storm5510C-PRPM2537363/60896713 : 3BABEC0BEBA4ECF6
2017-10-14Oliver KruseC-PRPM2537363/60896713 : 3BABEC0BEBA4ECF6