Marin Mersenne 2^P-1
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MnStatusDetails
2441773Factored
FactorDigitsBitsDate
523374714449201526924792375.52020-11-29 02:32:47
ECM
DigitsB1Curves
255000098 / 280
Estimated T-Level: 21.8
TF below 2^67 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Gordon Wright1685D61B10A556660
Verified (Factored)1999-09-14Matthias Müller1685D61B10A55666144366
Verified (Factored)2018-05-24kkmrkkblmbrbk1685D61B10A556661113158
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-11-29mrh4324F19F2784F8DB1180266853
History
DateUserTypeResult
2020-11-29Ben DeloCERT
PRP Certification
Proof certified good
2020-11-29mrhC-PRP
M2441773/52337471444920152692479 : 4324F19F2784F8DB
PRP proof power = 7
PRP: Verified
Proof certified good
2020-11-29ZenzomaF-ECM
Factor: 52337471444920152692479 / (ECM curve 5, B1=50000, B2=5000000, Sigma=3426474438095633)
2019-04-22TJAOINF
no factor from 2^67 to 2^68
2018-05-24kkmrkkblmbrbkC-LL
1685D61B10A55666
2017-07-12Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-25ramgeisNF
no factor from 2^65 to 2^66
2015-02-27VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-27VictordeHollanderNF
no factor from 2^63 to 2^64
2014-01-19mikrNF-PM1
B1=1172000, B2=48000000, E=12
2013-12-04Jerry HallettNF
no factor from 2^62 to 2^63
2012-06-06Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-12Oscar ÖstlinNF-PM1
B1=95000, B2=1947500, E=6
2010-11-17JossNF-PM1
B1=20000
2009-01-15Sturle SundeNF
no factor from 2^60 to 2^61