Marin Mersenne 2^P-1
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MnStatusDetails
11513893Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
5734719321436556529737292478.92024-04-03 22:14:47
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-03-11Lars Lindley4E3D8DAC066199D01523344
Verified (Factored)2004-06-21Klaus Brand4E3D8DAC066199D011409840
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2024-04-11fbaurD87CFE7C145B52601207729653
P-1 factors
DateFactorB1B2
2024-04-0357347193214365565297372925000006981475410
History
DateUserTypeResult
2024-04-11SuperHuhmanCERT
PRP Certification
Proof certified good
2024-04-11fbaurC-PRP
M11513893/573471932143655652973729 : D87CFE7C145B5260
PRP proof power = 8
PRP: Verified
Proof certified good
2024-04-03linamentF-PM1
Factor: 573471932143655652973729 / (P-1, B1=2500000, B2=6981475410)
2024-04-03linamentNF-PM1
B1=2500000
2023-02-20Naegi MakotoNF
no factor from 2^71 to 2^72
2021-10-03mikrNF
no factor from 2^70 to 2^71
2021-09-25lycornNF
no factor from 2^69 to 2^70
2018-10-28Sid & AndyNF-PM1
B1=1500000, B2=30000000, E=12
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2018-01-14ramgeisNF
no factor from 2^67 to 2^68
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-08Sid & AndyNF-PM1
B1=125000, B2=2187500, E=6
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-08lycornNF
no factor from 2^64 to 2^65