Marin Mersenne 2^P-1
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MnStatusDetails
1636561Factored
FactorDigitsBitsDate
56097106616358756455932272.22012-02-25 07:11:06
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)Barry Wiebe50173BC798E5B3A70
Verified (Factored)1999-04-02C. Cooper / S. Boone50173BC798E5B3A7864372
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-02Oliver KruseBE3D14DD743C45D21013
Verified2017-11-02kkmrkkblmbrbkBE3D14DD743C45D2114355713
History
DateUserTypeResult
2022-03-08LordJuliusNF
no factor from 2^58 to 2^60
2017-11-02kkmrkkblmbrbkC-PRP
M1636561/5609710661635875645593 : BE3D14DD743C45D2
PRP: Verified
PRP without proof (not generated)
2017-10-02Oliver KruseC-PRP
M1636561/5609710661635875645593 : BE3D14DD743C45D2
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2012-02-25AxonF-ECM
Factor: 5609710661635875645593
2012-02-25AxonNF-PM1
B1=1000000, B2=40000000, E=12
2012-02-25AxonNF-PM1
B1=1000000, B2=32000000, E=12
2012-02-25AxonNF-PM1
B1=1000000, B2=24000000, E=6
2012-02-25AxonNF-PM1
B1=1000000, B2=8000000, E=12
2012-02-25AxonNF-PM1
B1=1000000
2012-02-25AxonNF-PM1
B1=900000
2012-02-25AxonNF-PM1
B1=800000
2012-02-25AxonNF-PM1
B1=700000
2012-02-25AxonNF-PM1
B1=600000
2012-02-25AxonNF-PM1
B1=500000
2012-02-25AxonNF-PM1
B1=400000
2012-02-25AxonNF-PM1
B1=300000
2012-02-25AxonNF-PM1
B1=200000
2012-02-25AxonNF-PM1
B1=100000
2010-07-24GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-05-02Architects CubedNF
no factor from 2^60 to 2^61