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
2327483Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
265333063928.0old
2164654709902331547.62014-03-11 15:36:32
ECM
DigitsB1Curves
2550000160 / 280
Estimated T-Level: 22.9
TF below 2^71 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-11Oliver Kruse0715D55E930079CE2013
Verified2017-11-23kkmrkkblmbrbk0715D55E930079CE272990013
History
DateUserTypeResult
2021-05-13ViliamFNF-PM1
B1=5000000, B2=505000000
2018-03-05alpertronNF-PM1
B1=500000, B2=15000000, E=12
2017-11-23kkmrkkblmbrbkC-PRP
M2327483/265333063/216465470990233 : 0715D55E930079CE
PRP: Verified
PRP without proof (not generated)
2017-10-11Oliver KruseC-PRP
M2327483/265333063/216465470990233 : 0715D55E930079CE
PRP: Verified
PRP without proof (not generated)
2014-03-11TJAOIF
Factor: 216465470990233