Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
2130769Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
51138457825.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000168 / 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 Kruse6EF8DA92C097CEBA1013
Verified2017-11-18kkmrkkblmbrbk6EF8DA92C097CEBA1162566113
History
DateUserTypeResult
2017-11-18kkmrkkblmbrbkC-PRP
M2130769/51138457 : 6EF8DA92C097CEBA
PRP: Verified
PRP without proof (not generated)
2017-10-08Oliver KruseC-PRP
M2130769/51138457 : 6EF8DA92C097CEBA
PRP: Verified
PRP without proof (not generated)
2016-03-19alpertronNF-PM1
B1=500000, B2=15000000, E=12