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
6671263
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
760418976320391446.1old
1262408966600336891856.82015-05-01 11:39:13
396810120187478508792065.12018-06-06 13:24:21
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-01-02Oliver KruseDD4DF2DC985142822367733653
Verified
PRP without proof (not generated)
2018-06-07storm5510DD4DF2DC985142823507514453
History
DateUserTypeResult
2023-12-11Stef42NF-PM1B1=110000, B2=168988050
2022-03-20LordJuliusNFno factor TF: 64-65
2022-03-20LordJuliusNFno factor TF: 63-64
2018-06-07storm5510C-PRPM6671263/76041897632039/126240896660033689/39681012018747850879 : DD4DF2DC98514282
2018-06-06TJAOIFFactor: 39681012018747850879
2018-01-02Oliver KruseC-PRPM6671263/76041897632039/126240896660033689 : DD4DF2DC98514282
2015-05-01TJAOIFFactor: 126240896660033689