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
2900167Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
111830439531133.4old
ECM
DigitsB1Curves
255000098 / 280
Estimated T-Level: 21.8
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-24Oliver KruseB1A1F621CB72A4251229407153
Verified2017-12-08kkmrkkblmbrbkB1A1F621CB72A425145792753
History
DateUserTypeResult
2022-09-10USAFSSNF-PM1
B1=280000, B2=212023350
2017-12-08kkmrkkblmbrbkC-PRP
M2900167/11183043953 : B1A1F621CB72A425
PRP: Verified
PRP without proof (not generated)
2017-10-24Oliver KruseC-PRP
M2900167/11183043953 : B1A1F621CB72A425
PRP: Verified
PRP without proof (not generated)