Marin Mersenne 2^P-1
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MnStatusDetails
13073239Factored
FactorDigitsBitsDate
86333489012155972299672272.92016-05-22 19:04:35
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-12-22Amit Morson91CC230F4BB9CF7A1194318
Verified (Factored)2005-04-11Ars Technica Team Prime Rib91CC230F4BB9CF7A7932597
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-06-05XZTFA1530490289302E193190253
History
DateUserTypeResult
2023-10-28nordiNF-PM1
B1=500000, B2=327832050
2023-10-20nordiNF-PM1
B1=500000
2022-06-05lozcsCERT
PRP Certification
Proof certified good
2022-06-05XZTC-PRP
M13073239/8633348901215597229967 : FA1530490289302E
PRP proof power = 8
PRP: Verified
Proof certified good
2016-05-22bamF-ECM
Factor: 8633348901215597229967 / (ECM curve 1, B1=50000, B2=5000000)
2015-07-06NesowaNF
no factor from 2^66 to 2^67
2014-05-19NesowaNF
no factor from 2^65 to 2^66
2013-05-27lycornNF
no factor from 2^64 to 2^65