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

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MnStatusDetails
2119463Factored
FactorDigitsBitsDate
962667632165953696227432376.32016-06-03 09:09:53
ECM
DigitsB1Curves
2550000153 / 280
Estimated T-Level: 22.7 ⓘ
TF below 2^71 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Timo Aaltonen and friends332BAC2D904C19BE0
Verified (Factored)1999-02-07George Svarnas332BAC2D904C19BE959856
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-07kkmrkkblmbrbk2629FA15036713871013
Verified2017-10-21Oliver Kruse2629FA1503671387185001013
History
DateUserTypeResult
2023-01-28USAFSSNF-PM1
B1=288000, B2=338550030
2017-10-21Oliver KruseC-PRP
M2119463/96266763216595369622743 : 2629FA1503671387
PRP: Verified
PRP without proof (not generated)
2017-10-07kkmrkkblmbrbkC-PRP
M2119463/96266763216595369622743 : 2629FA1503671387
PRP: Verified
PRP without proof (not generated)
2016-06-03bamF-ECM
Factor: 96266763216595369622743 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-01-06ramgeisNF
no factor from 2^65 to 2^66
2015-03-15VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-15VictordeHollanderNF
no factor from 2^63 to 2^64
2013-09-06ramgeisNF
no factor from 2^62 to 2^63
2012-04-02Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-25James HeinrichNF-PM1
B1=140000, B2=3010000, E=6
2011-01-11JossNF-PM1
B1=50000
2010-12-30JossNF-PM1
B1=30000
2009-08-02USAFSSNF-PM1
B1=20000, B2=260000
2009-01-03Sturle SundeNF
no factor from 2^60 to 2^61