Marin Mersenne 2^P-1
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MnStatusDetails
3007621Factored
FactorDigitsBitsDate
23541982614578208608332271.02021-01-13 03:55:59
ECM
DigitsB1Curves
255000044 / 280
Estimated T-Level: 20.8
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-06-15Timo5ACDA885C0BE4A04116263
Verified (Factored)2001-07-07IES R.Dieste-I.Larrosa5ACDA885C0BE4A040
Verified (Factored)2012-09-03kdgehman5ACDA885C0BE4A04418718
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-02-09LLangleyA2449EE4E77B15FC1131238453
History
DateUserTypeResult
2021-12-22JossNF-PM1
B1=3007621, B2=637421400
2021-12-18JossNF-PM1
B1=3007621, B2=108985800
2021-02-09Ben DeloCERT
PRP Certification
Proof certified good
2021-02-09LLangleyC-PRP
M3007621/2354198261457820860833 : A2449EE4E77B15FC
PRP proof power = 7
PRP: Verified
Proof certified good
2021-01-14JossNF-PM1
B1=300762, B2=3007621, E=6
2021-01-14JossNF-PM1
B1=300762
2021-01-13ZenzomaF-ECM
Factor: 2354198261457820860833 / (ECM curve 5, B1=50000, B2=5000000, Sigma=6228252596390830)
2019-01-28oodairaNF-PM1
B1=32767111, B2=1867725327, E=12
2017-08-24YxinityNF
no factor from 2^69 to 2^70
2017-08-16YxinityNF
no factor from 2^68 to 2^69
2016-10-13treborNF-PM1
B1=1650000, B2=300000000, E=12
2016-08-20treborNF
no factor from 2^67 to 2^68
2016-08-20treborNF
no factor from 2^66 to 2^67
2016-08-17treborNF-PM1
B1=1650000, B2=120000000, E=12
2016-07-31treborNF-PM1
B1=1650000, B2=46200000, E=12
2015-05-30ThaNF
no factor from 2^65 to 2^66
2014-01-03lycornNF
no factor from 2^64 to 2^65
2014-01-02krackerNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2012-09-03kdgehmanC-LL
5ACDA885C0BE4A04
2010-10-05Rob_DeeNF-PM1
B1=1000000, B2=1100000
2010-10-04Rob_DeeNF-PM1
B1=950000, B2=1000000
2010-10-03Rob_DeeNF-PM1
B1=900000, B2=950000
2010-10-02Rob_DeeNF-PM1
B1=850000, B2=900000
2010-10-01Rob_DeeNF-PM1
B1=800000, B2=850000
2010-09-30Rob_DeeNF-PM1
B1=750000, B2=800000
2010-09-29Rob_DeeNF-PM1
B1=700000, B2=750000
2010-09-28Rob_DeeNF-PM1
B1=650000, B2=700000
2010-09-27Rob_DeeNF-PM1
B1=600000, B2=650000
2010-09-26Rob_DeeNF-PM1
B1=550000, B2=600000
2010-09-25Rob_DeeNF-PM1
B1=500000, B2=550000
2010-09-24Rob_DeeNF-PM1
B1=450000, B2=500000
2010-09-23Rob_DeeNF-PM1
B1=400000, B2=450000
2010-09-22Rob_DeeNF-PM1
B1=350000, B2=400000
2010-09-21Rob_DeeNF-PM1
B1=300000, B2=350000
2010-09-20Rob_DeeNF-PM1
B1=250000, B2=300000
2010-09-19Rob_DeeNF-PM1
B1=200000, B2=250000
2010-09-18Rob_DeeNF-PM1
B1=150000, B2=200000
2010-09-17Rob_DeeNF-PM1
B1=100000, B2=150000
2010-09-16Rob_DeeNF-PM1
B1=50000, B2=100000
2010-08-31Sid & AndyNF
no factor from 2^61 to 2^62
2009-08-03USAFSSNF-PM1
B1=35000, B2=516250
2009-01-24Jayson KingNF
no factor from 2^60 to 2^61