Marin Mersenne 2^P-1
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MnStatusDetails
3573523Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
117944564255570943432063.42009-08-03 11:31:23
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Robert Friberg1A8510FAF4DEF3370
Verified (Factored)2000-04-19David Linton1A8510FAF4DEF337905482
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-09kkmrkkblmbrbk75F26EDA585B3F881357072553
Verified2017-11-25Oliver Kruse75F26EDA585B3F88110154953
History
DateUserTypeResult
2022-05-26JossNF-PM1
B1=100000, B2=130364850
2022-03-01JossNF-PM1
B1=100000
2017-11-25Oliver KruseC-PRP
M3573523/11794456425557094343 : 75F26EDA585B3F88
PRP: Verified
PRP without proof (not generated)
2017-11-09kkmrkkblmbrbkC-PRP
M3573523/11794456425557094343 : 75F26EDA585B3F88
PRP: Verified
PRP without proof (not generated)
2009-08-03Gerry SnyderF-ECM
Factor: 11794456425557094343
2009-07-09Carsten KossendeyNF-PM1
B1=20000, B2=245000
2009-03-14S485122NF
no factor from 2^60 to 2^61