Marin Mersenne 2^P-1
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MnStatusDetails
3165259Factored
FactorDigitsBitsDate
17829141971515017822972270.62021-01-31 06:16:29
ECM
DigitsB1Curves
255000036 / 280
Estimated T-Level: 20.6
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-02-19Robert KulagowskiFA1F8864005E978E0
Verified (Factored)1999-06-26Charles VillaFA1F8864005E978E448143
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-01-31ViliamFE757BF8636D26DC51200582653
History
DateUserTypeResult
2022-09-12JossNF-PM1
B1=1000000, B2=241175550
2022-02-22JossNF-PM1
B1=1000000, B2=134343300
2021-01-31Choi4KANGCERT
PRP Certification
Proof certified good
2021-01-31ViliamFC-PRP
M3165259/1782914197151501782297 : E757BF8636D26DC5
PRP proof power = 7
PRP: Verified
Proof certified good
2021-01-31MarkSF-ECM
Factor: 1782914197151501782297 / (ECM curve 7, B1=50000, B2=5000000, Sigma=6598129373937575)
2019-07-25mikrNF-PM1
B1=3000000, B2=100000000, E=12
2019-01-21TJAOINF
no factor from 2^67 to 2^68
2017-04-22Gordon SpenceNF
no factor from 2^66 to 2^67
2015-11-30HBendtzNF-PM1
B1=500000, B2=12000000, e=12
2015-11-06JossNF-PM1
B1=552052
2015-08-10JossNF-PM1
B1=433923
2015-06-17ThaNF
no factor from 2^65 to 2^66
2015-02-11VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-11VictordeHollanderNF
no factor from 2^63 to 2^64
2014-09-25JossNF-PM1
B1=100556
2014-06-01JossNF-PM1
B1=80278
2013-01-03dbaughNF
no factor from 2^62 to 2^63
2011-10-30Grant McCrackenNF
no factor from 2^61 to 2^62
2011-09-09Squeeky_SquirrelNF-PM1
B1=60000, B2=960000, E=6
2009-07-03Carsten KossendeyNF-PM1
B1=15000, B2=191250
2009-04-08S485122NF
no factor from 2^60 to 2^61