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

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MnStatusDetails
2359603Factored
FactorDigitsBitsDate
78144703817015627595686392582.72021-07-25 14:04:26
ECM
DigitsB1Curves
2550000147 / 280
Estimated T-Level: 22.6
TF below 2^70 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-03-09Luke WelshF9B6D39C9519E3F90
Verified (Factored)1999-05-30Curt AkinsF9B6D39C9519E3F91521101
Verified (Factored)2018-05-10kkmrkkblmbrbkF9B6D39C9519E3F92070716
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-07-27kutens801BBE0F17BFD90F1233357353
History
DateUserTypeResult
2021-07-27YoonCERT
PRP Certification
Proof certified good
2021-07-27kutensC-PRP
M2359603/7814470381701562759568639 : 801BBE0F17BFD90F
PRP proof power = 7
PRP: Verified
Proof certified good
2021-07-25kutensF-ECM
Factor: 7814470381701562759568639 / (ECM curve 7, B1=50000, B2=6200000, Sigma=6509673339870054)
2021-06-10TJAOINF
no factor from 2^68 to 2^69
2019-04-22TJAOINF
no factor from 2^67 to 2^68
2018-05-10kkmrkkblmbrbkC-LL
F9B6D39C9519E3F9
2017-06-13Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2015-10-29ramgeisNF
no factor from 2^65 to 2^66
2015-08-18mikrNF-PM1
B1=3000000, B2=100000000, E=12
2015-03-09VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-09VictordeHollanderNF
no factor from 2^63 to 2^64
2014-10-22JossNF-PM1
B1=144402
2014-08-07JossNF-PM1
B1=117201
2013-12-04Jerry HallettNF
no factor from 2^62 to 2^63
2012-05-30Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-23Oscar ÖstlinNF-PM1
B1=90000, B2=1822500, E=6
2010-12-23Oscar ÖstlinNF-PM1
B1=75011
2010-11-03JossNF-PM1
B1=20000
2009-01-17Sturle SundeNF
no factor from 2^60 to 2^61