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
4323707Factored
FactorDigitsBitsDate
91662588411033.1old
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
Verified2017-09-20kkmrkkblmbrbkE18B2375414CC2151013
Verified2018-01-31Oliver KruseE18B2375414CC2151358410213
History
DateUserTypeResult
2023-04-06USAFSSNF-PM1
B1=224000, B2=114813270
2018-01-31Oliver KruseC-PRP
M4323707/9166258841 : E18B2375414CC215
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M4323707/9166258841 : E18B2375414CC215
PRP: Verified
PRP without proof (not generated)