Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
1635889Factored
FactorDigitsBitsDate
1068813992329770674412166.52012-02-12 14:11:30
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Martin Fahlgren0208C33516C39F890
Verified (Factored)1998-12-21Olli Heikkilä0208C33516C39F891327515
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-02Oliver Kruse1453CC4D14975C8E1013
Verified2017-11-01kkmrkkblmbrbk1453CC4D14975C8E1135907713
History
DateUserTypeResult
2017-11-01kkmrkkblmbrbkC-PRP
M1635889/106881399232977067441 : 1453CC4D14975C8E
PRP: Verified
PRP without proof (not generated)
2017-10-02Oliver KruseC-PRP
M1635889/106881399232977067441 : 1453CC4D14975C8E
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2012-02-12AxonF-ECM
Factor: 106881399232977067441
2012-02-12AxonNF-PM1
B1=1000000, B2=40000000, E=12
2012-02-12AxonNF-PM1
B1=1000000, B2=32000000, E=12
2012-02-12AxonNF-PM1
B1=1000000, B2=24000000, E=12
2012-02-12AxonNF-PM1
B1=1000000, B2=16000000, E=12
2012-02-12AxonNF-PM1
B1=1000000
2012-02-12AxonNF-PM1
B1=900000
2012-02-12AxonNF-PM1
B1=800000
2012-02-12AxonNF-PM1
B1=700000
2012-02-12AxonNF-PM1
B1=600000
2012-02-12AxonNF-PM1
B1=500000
2012-02-12AxonNF-PM1
B1=400000
2012-02-12AxonNF-PM1
B1=300000
2012-02-12AxonNF-PM1
B1=200000
2012-02-12AxonNF-PM1
B1=100000
2010-09-26GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-05-02Architects CubedNF
no factor from 2^60 to 2^61