Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2429047Factored
FactorDigitsBitsDate
529020878859801186118872375.52016-06-09 23:00:15
ECM
DigitsB1Curves
255000069 / 280
Estimated T-Level: 21.2
TF below 2^66 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1997-11-17Seth McGann5362C627558A9D1C0
Verified (Factored)1999-10-21Marco De Rosa5362C627558A9D1C568213
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-13Oliver Kruse9538B02F6EDB599B110462753
Verified2017-11-27kkmrkkblmbrbk9538B02F6EDB599B1148702453
History
DateUserTypeResult
2018-09-28alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-27kkmrkkblmbrbkC-PRP
M2429047/52902087885980118611887 : 9538B02F6EDB599B
PRP: Verified
PRP without proof (not generated)
2017-10-13Oliver KruseC-PRP
M2429047/52902087885980118611887 : 9538B02F6EDB599B
PRP: Verified
PRP without proof (not generated)
2016-06-09lettpF-ECM
Factor: 52902087885980118611887 / (ECM curve 1, B1=50000, B2=5000000)
2016-06-01YxinityNF
no factor from 2^69 to 2^70
2016-05-31ramgeisNF
no factor from 2^70 to 2^71
2016-05-31ramgeisNF
no factor from 2^69 to 2^70
2016-05-31YxinityNF
no factor from 2^68 to 2^69
2016-05-31YxinityNF
no factor from 2^67 to 2^68
2016-05-31YxinityNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-23ramgeisNF
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
2013-12-04Jerry HallettNF
no factor from 2^62 to 2^63
2012-06-05Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-28James HeinrichNF-PM1
B1=165000, B2=3795000, E=6
2011-01-18JossNF-PM1
B1=50000
2010-10-12Oscar ÖstlinNF-PM1
B1=40000, B2=640000, E=6
2009-01-11Sturle SundeNF
no factor from 2^60 to 2^61