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
7918847
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
3516825362376231548.3old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-06-06storm5510B121B26DA4B0D06F1139429353
Verified
PRP without proof (not generated)
2019-11-26NesowaB121B26DA4B0D06F1551818453
History
DateUserTypeResult
2024-02-05Stef42NF-PM1B1=950000, B2=1968826860
2019-11-26NesowaC-PRPM7918847/351682536237623 : B121B26DA4B0D06F
2018-06-06storm5510C-PRPM7918847/351682536237623 : B121B26DA4B0D06F