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

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MnStatusDetails
9413Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
5564128031271239.0old
85697034683271343.0old
85927485481480116608803099438958954903339129.3old
10658096215487473781315405272098650531840942136.32024-06-13 07:28:49
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006733 / 16550
Estimated T-Level: 47.0
TF below 2^151 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse1A74E6CFBD0419B73013
Verified (Factored)2017-10-02kkmrkkblmbrbk1A74E6CFBD0419B73013
Verified (Factored)2017-12-07ATH1A74E6CFBD0419B73448513
Verified (Factored)2020-04-17Oliver KruseD7A23589770C4E4E3455653
Verified2024-06-13nordiD7A23589770C4E4E454053
History
DateUserTypeResult
2024-06-13nordiC-PRP
M9413/556412803127/8569703468327/859274854814801166088030994389589549033/106580962154874737813154052720986505318409 : D7A23589770C4E4E
PRP: Verified
PRP without proof (small exponent)
2024-06-13nordiF-ECM
Factor: 106580962154874737813154052720986505318409 / (ECM curve 295, B1=11000000, B2=93170000000, Edwards Sigma=5152376974696399)
2023-07-03JacobZNF-PM1
B1=61000000000, B2=254995794420917550
2022-01-03Lisander ViaeneNF-PM1
B1=100000000, B2=125374980
2020-04-17Oliver KruseC-PRP
M9413/556412803127/8569703468327/859274854814801166088030994389589549033 : D7A23589770C4E4E
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M9413/556412803127/8569703468327/859274854814801166088030994389589549033 : 1A74E6CFBD0419B7
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M9413/556412803127/8569703468327/859274854814801166088030994389589549033 : 1A74E6CFBD0419B7
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9413/known_factors : 1A74E6CFBD0419B7
PRP without proof (not generated)