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
9613Factored
FactorDigitsBitsDate
57679515.8old
146559799927.1old
22539793371031.1old
5219233770491238.9old
156354731330891443.8old
3184156840481213771858.1old
157327801764068966130156815446023134110.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002373 / 9201
Estimated T-Level: 41.3
TF below 2^132 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseA880E20C8B86F0BD7013
Verified2017-10-02kkmrkkblmbrbkA880E20C8B86F0BD7013
Verified2017-12-07ATHA880E20C8B86F0BD7818113
Unverified2020-04-17Oliver KruseF6C62A4342ABFE__7804253
History
DateUserTypeResult
2023-06-25JacobZNF-PM1
B1=60000000000, B2=244568457101868900
2021-08-27Seth_TrNF-PM1
B1=400000000
2021-08-27Seth_TrNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M9613/57679/146559799/2253979337/521923377049/15635473133089/318415684048121377/1573278017640689661301568154460231 : F6C62A4342ABFE__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M9613/57679/146559799/2253979337/521923377049/15635473133089/318415684048121377/1573278017640689661301568154460231 : A880E20C8B86F0BD
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M9613/57679/146559799/2253979337/521923377049/15635473133089/318415684048121377/1573278017640689661301568154460231 : A880E20C8B86F0BD
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9613/known_factors : A880E20C8B86F0BD
PRP without proof (not generated)