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
9239Factored
FactorDigitsBitsDate
800633263929.6old
151444545490260140733112373.7old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001312 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse4148E3CB3F236A752013
Verified2017-10-12kkmrkkblmbrbk4148E3CB3F236A752355613
Unverified2020-04-17Oliver KruseA74135A25502AA__2774753
History
DateUserTypeResult
2023-07-10JacobZNF-PM1
B1=63000000000, B2=255469764292442700
2022-01-03Lisander ViaeneNF-PM1
B1=100000000, B2=5133438650340
2022-01-03Lisander ViaeneNF-PM1
B1=10000000, B2=4998199206000
2020-04-17Oliver KruseC-PRP
M9239/800633263/15144454549026014073311 : A74135A25502AA__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M9239/800633263/15144454549026014073311 : 4148E3CB3F236A75
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9239/800633263/15144454549026014073311 : 4148E3CB3F236A75
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9239/800633263/15144454549026014073311 : 4148E3CB3F236A75
PRP without proof (not generated)