Marin Mersenne 2^P-1
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MnStatusDetails
2129807Factored
FactorDigitsBitsDate
1524604333776819528487868172787.02017-09-21 04:28:47
ECM
DigitsB1Curves
2550000112 / 280
Estimated T-Level: 22.0 ⓘ
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Ed Knapton9D300E2D41893E520
Verified (Factored)1999-02-07Bryan Fullerton9D300E2D41893E521424738
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-08Oliver Kruse6E77F850397B1ADA1013
Verified2017-11-18kkmrkkblmbrbk6E77F850397B1ADA163460113
P-1 factors
DateFactorB1B2
2017-09-211524604333776819528487868172500000125000000
History
DateUserTypeResult
2017-11-18kkmrkkblmbrbkC-PRP
M2129807/152460433377681952848786817 : 6E77F850397B1ADA
PRP: Verified
PRP without proof (not generated)
2017-10-08Oliver KruseC-PRP
M2129807/152460433377681952848786817 : 6E77F850397B1ADA
PRP: Verified
PRP without proof (not generated)
2017-09-21mikrF-PM1
Factor: 152460433377681952848786817 / (P-1, 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
2015-03-15VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-15VictordeHollanderNF
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
2012-04-13Sebastian 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