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

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MnStatusDetails
11596471Factored
FactorDigitsBitsDate
719298250568211661321212375.92017-11-04 17:04:48
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-04-15Jörg Thomsen03D2F037115B453B5601316
Verified (Factored)2004-05-11Sven Gauger03D2F037115B453B1008114
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-09-12Yizhe Huang55E1950D6E9474B911021204253
History
DateUserTypeResult
2021-09-12nklCERT
PRP Certification
Proof certified good
2021-09-12Yizhe HuangC-PRP
M11596471/71929825056821166132121 : 55E1950D6E9474B9
PRP proof power = 8
PRP: Verified
Proof certified good
2017-11-04ConductorF-ECM
Factor: 71929825056821166132121 / (ECM curve 1, B1=50000, B2=5000000)
2016-03-02YxinityNF
no factor from 2^66 to 2^67
2014-12-26ThaNF-PM1
B1=300000, B2=6000000, E=6
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-06lycornNF
no factor from 2^64 to 2^65