Marin Mersenne 2^P-1
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MnStatusDetails
1458151Factored
FactorDigitsBitsDate
44202933659332491453532271.92015-05-14 08:11:45
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 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)Al LovrichABC70B9105CD3E230
Verified (Factored)Randy HormanABC70B9105CD3E230
Verified (Factored)Simon BurgeABC70B9105CD3E230
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-01Oliver Kruse6FF005BD85C8CFD71013
Verified2017-10-27kkmrkkblmbrbk6FF005BD85C8CFD7111523013
History
DateUserTypeResult
2017-10-27kkmrkkblmbrbkC-PRP
M1458151/4420293365933249145353 : 6FF005BD85C8CFD7
PRP: Verified
PRP without proof (not generated)
2017-10-01Oliver KruseC-PRP
M1458151/4420293365933249145353 : 6FF005BD85C8CFD7
PRP: Verified
PRP without proof (not generated)
2015-05-14Chang Chia-TcheF-ECM
Factor: 4420293365933249145353 / (ECM curve 2, B1=50000, B2=5000000)
2015-03-28snme2pm1NF
no factor from 2^64 to 2^65
2015-03-28snme2pm1NF
no factor from 2^63 to 2^64
2015-02-16alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2015-02-14JossNF-PM1
B1=392988
2015-01-31JossNF-PM1
B1=357262
2015-01-28JossNF-PM1
B1=324784
2015-01-26JossNF-PM1
B1=295259
2014-11-19JossNF-PM1
B1=244017
2011-04-05GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-09-23Rob_DeeNF-PM1
B1=200000, B2=5000000, E=6
2010-09-22Rob_DeeNF-PM1
B1=200000, B2=4000000, E=6
2010-09-21Rob_DeeNF-PM1
B1=200000, B2=3000000, E=6
2010-09-20Rob_DeeNF-PM1
B1=200000, B2=2000000, E=6
2010-09-19Rob_DeeNF-PM1
B1=200000, B2=1000000, E=6
2010-09-18Rob_DeeNF-PM1
B1=200000, B2=300000
2010-09-17Rob_DeeNF-PM1
B1=100000, B2=200000
2010-05-09Architects CubedNF
no factor from 2^60 to 2^61