Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
2136733Factored
FactorDigitsBitsDate
57870862453250202620263132582.32020-03-17 04:47:25
ECM
DigitsB1Curves
255000066 / 280
Estimated T-Level: 21.2
TF below 2^65 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Suhas Daftuar672C6C1657C87BD90
Bad1999-01-29David PhillipsCC0EA4526BA2823D1815147
Verified (Factored)1999-06-06Yuri Sorkin672C6C1657C87BD91487642
Verified (Factored)2018-04-06kkmrkkblmbrbk672C6C1657C87BD91884539
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-03-17Niels_Mache_NextcloudF9845220A7A53CEE146936653
Verified2020-03-18marssystemsF9845220A7A53CEE1102488053
History
DateUserTypeResult
2020-03-18marssystemsC-PRP
M2136733/5787086245325020262026313 : F9845220A7A53CEE
PRP: Verified
PRP without proof (not generated)
2020-03-17Niels_Mache_NextcloudC-PRP
M2136733/5787086245325020262026313 : F9845220A7A53CEE
PRP: Verified
PRP without proof (not generated)
2020-03-17mnd9F-ECM
Factor: 5787086245325020262026313 / (ECM curve 1, B1=50000, B2=5000000, Sigma=8737786273074459)
2019-04-22TJAOINF
no factor from 2^67 to 2^68
2018-04-06kkmrkkblmbrbkC-LL
672C6C1657C87BD9
2017-10-12mikrNF-PM1
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
2015-03-18VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-18VictordeHollanderNF
no factor from 2^63 to 2^64
2013-11-15c10ck3rNF-PM1
B1=500000, B2=10000000, E=12
2013-02-21dbaughNF
no factor from 2^62 to 2^63
2012-04-15Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-11-26Oscar ÖstlinNF-PM1
B1=80000, B2=1500000, E=6
2010-10-26Oscar ÖstlinNF-PM1
B1=75011
2009-01-04Sturle SundeNF
no factor from 2^60 to 2^61