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
2132639Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
35839595533931341.7old
1003094723961734711856.52015-04-07 11:23:19
ECM
DigitsB1Curves
2550000280 / 280
30250000166 / 640
Estimated T-Level: 26.3
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-08Oliver KruseD41D86D0C0D798E92013
Verified2017-11-18kkmrkkblmbrbkD41D86D0C0D798E9228872313
History
DateUserTypeResult
2017-11-18kkmrkkblmbrbkC-PRP
M2132639/3583959553393/100309472396173471 : D41D86D0C0D798E9
PRP: Verified
PRP without proof (not generated)
2017-10-08Oliver KruseC-PRP
M2132639/3583959553393/100309472396173471 : D41D86D0C0D798E9
PRP: Verified
PRP without proof (not generated)
2016-03-21alpertronNF-PM1
B1=500000, B2=15000000, E=12
2015-04-07TJAOIF
Factor: 100309472396173471 / TF: 56-57