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
2933597Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
22706040791031.1old
329955735855611444.92014-01-10 18:34:19
ECM
DigitsB1Curves
255000058 / 280
Estimated T-Level: 21.0
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-25Oliver Kruse3D1A715BBCB8AE572133021153
Verified2017-12-09Chang Chia-Tche3D1A715BBCB8AE572170160153
History
DateUserTypeResult
2023-02-07USAFSSNF-PM1
B1=360000, B2=282695490
2017-12-09Chang Chia-TcheC-PRP
M2933597/2270604079/32995573585561 : 3D1A715BBCB8AE57
PRP: Verified
PRP without proof (not generated)
2017-10-25Oliver KruseC-PRP
M2933597/2270604079/32995573585561 : 3D1A715BBCB8AE57
PRP: Verified
PRP without proof (not generated)
2014-01-10TJAOIF
Factor: 32995573585561