Marin Mersenne 2^P-1
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MnStatusDetails
2134439Factored
FactorDigitsBitsDate
21242548879552251997931532580.82020-07-09 03:16:33
ECM
DigitsB1Curves
255000097 / 280
Estimated T-Level: 21.7 ⓘ
TF below 2^67 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Holger Lange2130B9FE719147B40
Verified (Factored)1999-02-21Jeff Malick2130B9FE719147B41679514
Verified (Factored)2018-04-06kkmrkkblmbrbk2130B9FE719147B42020653
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-07-09M MillerC0DBC58A80E6445E166727053
Verified2020-07-11oodairaC0DBC58A80E6445E192685253
History
DateUserTypeResult
2020-07-11oodairaC-PRP
M2134439/2124254887955225199793153 : C0DBC58A80E6445E
PRP: Verified
PRP without proof (not generated)
2020-07-09M MillerC-PRP
M2134439/2124254887955225199793153 : C0DBC58A80E6445E
PRP: Verified
PRP without proof (not generated)
2020-07-09daveward2005F-ECM
Factor: 2124254887955225199793153 / (ECM curve 3, B1=50000, B2=5000000)
2019-04-22TJAOINF
no factor from 2^67 to 2^68
2018-04-06kkmrkkblmbrbkC-LL
2130B9FE719147B4
2017-10-04mikrNF-PM1
B1=2500000, B2=125000000, E=12
2016-10-29Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-12-27ramgeisNF
no factor from 2^65 to 2^66
2015-03-18VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-18VictordeHollanderNF
no factor from 2^63 to 2^64
2013-11-13c10ck3rNF-PM1
B1=500000, B2=10000000, E=12
2013-02-21dbaughNF
no factor from 2^62 to 2^63
2012-04-15Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-11-25Oscar ÖstlinNF-PM1
B1=80000, B2=1500000, E=6
2010-10-25Oscar ÖstlinNF-PM1
B1=75011
2009-01-04Sturle SundeNF
no factor from 2^60 to 2^61