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

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MnStatusDetails
2314253Factored
FactorDigitsBitsDate
969590367757396947482232376.42020-07-05 13:49:56
ECM
DigitsB1Curves
255000070 / 280
Estimated T-Level: 21.3
TF below 2^66 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Eric PrestemonD8B538786EACDBEF0
Verified (Factored)1999-05-23David AlberD8B538786EACDBEF1228858
Verified (Factored)2018-05-04kkmrkkblmbrbkD8B538786EACDBEF177086
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-07-07atrenchF8591E23C37D3174163365253
Verified2020-07-12Sébastien BROUCKEF8591E23C37D31741193307253
History
DateUserTypeResult
2020-07-12Sébastien BROUCKEC-PRP
M2314253/96959036775739694748223 : F8591E23C37D3174
PRP: Verified
PRP without proof (not generated)
2020-07-07atrenchC-PRP
M2314253/96959036775739694748223 : F8591E23C37D3174
PRP: Verified
PRP without proof (not generated)
2020-07-05GANF-ECM
Factor: 96959036775739694748223 / (ECM curve 1, B1=50000, B2=5000000, Sigma=4027879029528476)
2019-04-22TJAOINF
no factor from 2^67 to 2^68
2018-05-04kkmrkkblmbrbkC-LL
D8B538786EACDBEF
2018-01-10Sid & AndyNF-PM1
B1=6000000, B2=180000000, E=12
2017-06-03Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-10-23ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2013-12-06Jerry HallettNF
no factor from 2^62 to 2^63
2012-05-23Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-02-16BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-17Sturle SundeNF
no factor from 2^60 to 2^61