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
2310701Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
87806639826.4old
ECM
DigitsB1Curves
2550000209 / 280
Estimated T-Level: 23.7
TF below 2^74 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-11Oliver KruseAE874227D4284CDF1013
Verified2017-11-23kkmrkkblmbrbkAE874227D4284CDF1194738313
History
DateUserTypeResult
2021-04-27ViliamFNF-PM1
B1=5000000, B2=305000000
2018-02-26alpertronNF-PM1
B1=500000, B2=15000000, E=12
2017-11-23kkmrkkblmbrbkC-PRP
M2310701/87806639 : AE874227D4284CDF
PRP: Verified
PRP without proof (not generated)
2017-10-11Oliver KruseC-PRP
M2310701/87806639 : AE874227D4284CDF
PRP: Verified
PRP without proof (not generated)