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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MnStatusDetails
6917731Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
299652887694253131754.7old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-22Oliver Kruse72CEB765601F05BF1635086553
Verified2019-01-23ATH72CEB765601F05BF183958153
History
DateUserTypeResult
2023-12-27Stef42NF-PM1
B1=569000, B2=1280664000
2019-01-23ATHC-PRP
M6917731/29965288769425313 : 72CEB765601F05BF
PRP: Verified
PRP without proof (not generated)
2018-01-22Oliver KruseC-PRP
M6917731/29965288769425313 : 72CEB765601F05BF
PRP: Verified
PRP without proof (not generated)