Marin Mersenne 2^P-1
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MnStatusDetails
2282041Factored
FactorDigitsBitsDate
292033647325231182743212374.62016-12-20 02:17:38
ECM
DigitsB1Curves
2550000116 / 280
Estimated T-Level: 22.1
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Mikael Billberg3E9CFE01F74D6B670
Verified (Factored)1999-03-26Stefan Enberg3E9CFE01F74D6B671192701
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-11Oliver Kruse14BCFF41D2E0974C1013
Verified2017-11-22kkmrkkblmbrbk14BCFF41D2E0974C1148471213
History
DateUserTypeResult
2023-01-28USAFSSNF-PM1
B1=288000, B2=308189700
2017-11-22kkmrkkblmbrbkC-PRP
M2282041/29203364732523118274321 : 14BCFF41D2E0974C
PRP: Verified
PRP without proof (not generated)
2017-10-11Oliver KruseC-PRP
M2282041/29203364732523118274321 : 14BCFF41D2E0974C
PRP: Verified
PRP without proof (not generated)
2016-12-20bamF-ECM
Factor: 29203364732523118274321 / (ECM curve 2, B1=50000, B2=5000000)
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2016-01-23JossNF-PM1
B1=518880, B2=5188800, E=6
2015-11-01ramgeisNF
no factor from 2^65 to 2^66
2015-03-12VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-12VictordeHollanderNF
no factor from 2^63 to 2^64
2014-10-06JossNF-PM1
B1=141252
2014-06-11JossNF-PM1
B1=113126
2013-12-06Jerry HallettNF
no factor from 2^62 to 2^63
2012-05-09Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-15Oscar ÖstlinNF-PM1
B1=85000, B2=1742500, E=6
2010-11-24Oscar ÖstlinNF-PM1
B1=75011
2010-11-14JossNF-PM1
B1=20000
2010-11-07JossNF-PM1
B1=15000
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61