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
8083661
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
7740221812218411549.5old
57587900564930391652.42014-08-05 10:38:37
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-08-06Oliver KruseF744827B434452492298066153
Verified
PRP without proof (not generated)
2020-05-02Chang Chia-TcheF744827B434452492682006753
History
DateUserTypeResult
2024-02-27Stef42NF-PM1B1=952000, B2=2044750890
2020-05-02Chang Chia-TcheC-PRPM8083661/774022181221841/5758790056493039 : F744827B43445249
2018-08-06Oliver KruseC-PRPM8083661/774022181221841/5758790056493039 : F744827B43445249
2014-08-05TJAOIFFactor: 5758790056493039