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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
3811369Factored
FactorDigitsBitsDate
79810066871032.9old
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbkA0E9B5009E619AAE1013
Verified2017-12-11Oliver KruseA0E9B5009E619AAE1349737913
History
DateUserTypeResult
2022-06-01JossNF-PM1
B1=100000, B2=130364850
2022-03-22JossNF-PM1
B1=100000
2022-03-03JossNF-PM1
B1=90000
2017-12-11Oliver KruseC-PRP
M3811369/7981006687 : A0E9B5009E619AAE
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M3811369/7981006687 : A0E9B5009E619AAE
PRP: Verified
PRP without proof (not generated)