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
8330407
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
83304071826.3old
133286513927.02008-09-08 04:30:32
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-12rucioF4CB442D7B20DA122342535053
Verified
PRP without proof (not generated)
2020-04-22marssystemsF4CB442D7B20DA122347263453
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-22marssystemsC-PRPM8330407/83304071/133286513 : F4CB442D7B20DA12
2018-10-12rucioC-PRPM8330407/83304071/133286513 : F4CB442D7B20DA12
2008-09-08Will EdgingtonFFactor: 133286513