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
8077583
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
35912391365974071651.7old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-08-04Oliver Kruse08C52BF47D8F653F1455820753
Verified
PRP without proof (not generated)
2020-04-28Chang Chia-Tche08C52BF47D8F653F1579004753
History
DateUserTypeResult
2024-02-26Stef42NF-PM1B1=950000, B2=2044750890
2020-04-28Chang Chia-TcheC-PRPM8077583/3591239136597407 : 08C52BF47D8F653F
2018-08-04Oliver KruseC-PRPM8077583/3591239136597407 : 08C52BF47D8F653F