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

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MnStatusDetails
367201Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1105539394731236.7old
850998311683057211756.22013-04-10 21:00:01
ECM
DigitsB1Curves
2550000280 / 280
30250000378 / 640
Estimated T-Level: 28.0
TF below 2^88 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse1FD2B601265E0A802013
Verified2017-11-02kkmrkkblmbrbk1FD2B601265E0A8025413613
Verified2020-04-18Oliver Kruse71E561E9C554E6E825554553
Verified2024-09-25kkmrkkblmbrbk71E561E9C554E6E8230866053
History
DateUserTypeResult
2024-09-25NicoMCERT
PRP Certification
Proof certified good
2024-09-25kkmrkkblmbrbkC-PRP
M367201/110553939473/85099831168305721 : 71E561E9C554E6E8
PRP proof power = 5
PRP: Verified
Proof certified good
2024-05-31yuriy_5-1NF-PM1
B1=10000000, B2=222067525680
2024-02-16Denial140NF-PM1
B1=1000000, B2=8403510570
2020-04-18Oliver KruseC-PRP
M367201/110553939473/85099831168305721 : 71E561E9C554E6E8
PRP: Verified
PRP without proof (small exponent)
2017-11-02kkmrkkblmbrbkC-PRP
M367201/110553939473/85099831168305721 : 1FD2B601265E0A80
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M367201/110553939473/85099831168305721 : 1FD2B601265E0A80
PRP: Verified
PRP without proof (not generated)
2013-04-10SRJ2877F-ECM
Factor: 9408121584143389555393625033