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
2627269Factored
FactorDigitsBitsDate
40932851031031.9old
865997625186856731756.32015-03-20 12:34:37
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
Verified2017-10-17Oliver KruseBF6FBC6200E8E9882128868153
Verified2017-12-03alan145BF6FBC6200E8E9882215515153
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-12-03alan145C-PRP
M2627269/4093285103/86599762518685673 : BF6FBC6200E8E988
PRP: Verified
PRP without proof (not generated)
2017-10-17Oliver KruseC-PRP
M2627269/4093285103/86599762518685673 : BF6FBC6200E8E988
PRP: Verified
PRP without proof (not generated)
2015-03-20TJAOIF
Factor: 86599762518685673 / TF: 56-57