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

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MnStatusDetails
1652509Factored
FactorDigitsBitsDate
161011124891305328056792373.82012-02-14 09:10:25
ECM
DigitsB1Curves
2550000280 / 280
30250000134 / 640
Estimated T-Level: 26.0
TF below 2^82 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-02-01MIT Prime TeamAEC4C9341C8470AD0
Verified (Factored)1998-11-28H David Friedberg MDAEC4C9341C8470AD88447
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-02Oliver Kruse736E14C1B4E05B651013
Verified2017-11-02kkmrkkblmbrbk736E14C1B4E05B651119260413
History
DateUserTypeResult
2022-03-08LordJuliusNF
no factor from 2^58 to 2^60
2017-11-02kkmrkkblmbrbkC-PRP
M1652509/16101112489130532805679 : 736E14C1B4E05B65
PRP: Verified
PRP without proof (not generated)
2017-10-02Oliver KruseC-PRP
M1652509/16101112489130532805679 : 736E14C1B4E05B65
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2012-02-14AxonF-ECM
Factor: 16101112489130532805679
2012-02-14AxonNF-PM1
B1=1000000, B2=40000000, E=12
2012-02-14AxonNF-PM1
B1=1000000, B2=32000000, E=12
2012-02-14AxonNF-PM1
B1=1000000, B2=24000000, E=12
2012-02-14AxonNF-PM1
B1=1000000, B2=16000000, E=12
2012-02-14AxonNF-PM1
B1=1000000
2012-02-14AxonNF-PM1
B1=900000
2012-02-14AxonNF-PM1
B1=800000
2012-02-14AxonNF-PM1
B1=700000
2012-02-14AxonNF-PM1
B1=600000
2012-02-14AxonNF-PM1
B1=500000
2012-02-14AxonNF-PM1
B1=400000
2012-02-14AxonNF-PM1
B1=300000
2012-02-14AxonNF-PM1
B1=200000
2012-02-14AxonNF-PM1
B1=100000
2010-08-13GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-28Architects CubedNF
no factor from 2^60 to 2^61