Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
101159Factored
FactorDigitsBitsDate
16195555911030.6old
604089177131135.82008-07-26 09:16:55
3956588158255552489032168.42010-03-19 20:15:09
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000271 / 1566
Estimated T-Level: 30.9
TF below 2^98 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseC541D06E18A4B9F33013
Verified2017-10-09Chang Chia-TcheC541D06E18A4B9F33013
Verified2017-10-13kkmrkkblmbrbkC541D06E18A4B9F334754613
Verified2020-04-17Oliver Kruse657AD28A3D415C393936553
Verified2022-04-15LordJulius657AD28A3D415C3932608453
History
DateUserTypeResult
2022-12-08LordJuliusNF
no factor from 2^64 to 2^65
2022-12-08LordJuliusNF
no factor from 2^63 to 2^64
2022-12-08LordJuliusNF
no factor from 2^62 to 2^63
2022-04-15LordJuliusC-PRP
M101159/1619555591/60408917713/395658815825555248903 : 657AD28A3D415C39
PRP: Verified
PRP without proof (small exponent)
2022-04-13LordJuliusNF
no factor from 2^61 to 2^62
2022-04-13LordJuliusNF
no factor from 2^60 to 2^61
2022-04-13LordJuliusNF
no factor from 2^59 to 2^60
2022-04-13LordJuliusNF
no factor from 2^58 to 2^59
2022-04-13LordJuliusNF
no factor from 2^57 to 2^58
2021-12-19Seth_TrNF-PM1
B1=1000000000, B2=6735532633830
2020-04-17Oliver KruseC-PRP
M101159/1619555591/60408917713/395658815825555248903 : 657AD28A3D415C39
PRP: Verified
PRP without proof (small exponent)
2018-11-02J.R. AllenNF
no factor from 2^59 to 2^60
2018-11-02J.R. AllenNF
no factor from 2^58 to 2^59
2018-11-02J.R. AllenNF
no factor from 2^57 to 2^58
2018-10-25J.R. AllenNF
no factor from 2^52 to 2^57
2017-10-13kkmrkkblmbrbkC-PRP
M101159/1619555591/60408917713/395658815825555248903 : C541D06E18A4B9F3
PRP: Verified
PRP without proof (not generated)
2017-10-09Chang Chia-TcheC-PRP
M101159/known_factors : C541D06E18A4B9F3
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M101159/1619555591/60408917713/395658815825555248903 : C541D06E18A4B9F3
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M101159/1619555591/60408917713/395658815825555248903 : C541D06E18A4B9F3
PRP without proof (not generated)
2016-11-02kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2010-03-19Rob_DeeF-ECM
Factor: 395658815825555248903
2008-07-26J FeitsmaF
Factor: 60408917713