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
2498347
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
4680303335931238.8old
691750689070962311755.92015-02-24 12:25:09
ECM
DigitsB1Curves
2550000182 / 280
Estimated T-Level: 23.3
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 KruseE467964307077D7B2191150153
Verified
PRP without proof (not generated)
2017-11-30storm5510E467964307077D7B2184159453
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-30storm5510C-PRPM2498347/468030333593/69175068907096231 : E467964307077D7B
2017-10-14Oliver KruseC-PRPM2498347/468030333593/69175068907096231 : E467964307077D7B
2015-02-24TJAOIFFactor: 69175068907096231