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
10657Factored
FactorDigitsBitsDate
2216657721.1old
390419621291135.22008-08-26 19:58:32
8740717939211239.72008-08-26 19:58:32
21665362995131341.02008-08-26 19:58:32
678677106283431445.92008-08-26 19:58:32
2773427307696181565835677032787.82009-06-01 22:54:51
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001295 / 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 KruseD971523C1E80E56A6013
Verified2017-10-02kkmrkkblmbrbkD971523C1E80E56A6013
Verified2017-10-12kkmrkkblmbrbkD971523C1E80E56A6872213
Unverified2020-04-17Oliver KruseBDCA3AC83E237C__673053
History
DateUserTypeResult
2022-11-09-Anonymous-NF-PM1
B1=100000000000, B2=120443211520241610
2022-03-05JossNF-PM1
B1=1000000000, B2=1002689751483420
2022-03-05JossNF-PM1
B1=1000000000, B2=104918137544220
2022-03-05JossNF-PM1
B1=1000000000, B2=12500472934950
2022-03-05JossNF-PM1
B1=1000000000, B2=6419160908160
2021-08-27Seth_TrNF-PM1
B1=400000000
2020-04-17Oliver KruseC-PRP
M10657/2216657/39041962129/874071793921/2166536299513/67867710628343/277342730769618156583567703 : BDCA3AC83E237C__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10657/2216657/39041962129/874071793921/2166536299513/67867710628343/277342730769618156583567703 : D971523C1E80E56A
PRP without proof (not generated)
2017-10-02kkmrkkblmbrbkC-PRP
M10657/2216657/39041962129/874071793921/2166536299513/67867710628343/277342730769618156583567703 : D971523C1E80E56A
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10657/2216657/39041962129/874071793921/2166536299513/67867710628343/277342730769618156583567703 : D971523C1E80E56A
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2009-06-01Rob_DeeF-ECM
Factor: 277342730769618156583567703
2008-08-26-Anonymous-F
Factor: 67867710628343
2008-08-26-Anonymous-F
Factor: 2166536299513
2008-08-26-Anonymous-F
Factor: 874071793921
2008-08-26-Anonymous-F
Factor: 39041962129