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

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MnStatusDetails
2469529Factored
FactorDigitsBitsDate
11597954719176020214990732579.92020-08-12 03:08:09
ECM
DigitsB1Curves
255000069 / 280
Estimated T-Level: 21.2
TF below 2^66 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Ross Finlayson35430016121DF7610
Verified (Factored)1999-05-16Michael Collins35430016121DF7612456415
Verified (Factored)2018-05-28kkmrkkblmbrbk35430016121DF761375292
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-08-12M MillerAE648CF3370E041E1208548353
History
DateUserTypeResult
2020-08-12M MillerCERT
PRP Certification
Proof certified good
2020-08-12M MillerC-PRP
M2469529/1159795471917602021499073 : AE648CF3370E041E
PRP proof power = 7
PRP: Verified
Proof certified good
2020-08-12Sergey NosovF-ECM
Factor: 1159795471917602021499073 / (ECM curve 3, B1=50000, B2=5000000)
2019-06-10TJAOINF
no factor from 2^67 to 2^68
2019-03-26Sid & AndyNF-PM1
B1=6000000, B2=180000000, E=12
2018-05-28kkmrkkblmbrbkC-LL
35430016121DF761
2017-07-22Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-27ramgeisNF
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
2013-10-23David CampeauNF-PM1
B1=590000, B2=15930000, E=12
2013-02-21dbaughNF
no factor from 2^62 to 2^63
2012-06-08Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-12-02JossNF-PM1
B1=246952
2010-11-19JossNF-PM1
B1=20000
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61