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

PrimeNet Exponent Status

Exponent Range:





MnDetails
8399077
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
6612257359031239.3old
2046256875341461625512167.52022-08-26 08:28:07
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-22rucioB9E954E750B177F31276600153
Factored
PRP without proof (not generated)
2020-05-22Chang Chia-TcheB9E954E750B177F31185773553
Verified
Certified Good
2022-08-31Wentao HuangB9E954E750B177F3213681153
History
DateUserTypeResult
2024-05-12Stef42NF-PM1B1=1025000, B2=1053971100
2022-08-31Chad Steenerson CERT
Proof certified good
2022-08-31Wentao HuangC-PRPM8399077/661225735903/204625687534146162551 : B9E954E750B177F3
Proof Certified Good

Proof Power: 8

2022-08-26TJAOIFFactor: 204625687534146162551
2020-05-22Chang Chia-TcheC-PRPM8399077/661225735903 : B9E954E750B177F3
2018-10-22rucioC-PRPM8399077/661225735903 : B9E954E750B177F3