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

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Exponent Range:










MnStatusDetails
107279Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
214559617.7old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000556 / 1566
Estimated T-Level: 31.8
TF below 2^101 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseB92877890D618ECD1013
Verified2017-09-22Oliver KruseB92877890D618ECD1013
Verified2017-11-06kkmrkkblmbrbkB92877890D618ECD1287113
Verified2020-04-17Oliver Kruse349CF32F95E4C8FA16256453
Verified2022-04-15LordJulius349CF32F95E4C8FA1550853
Verified2022-05-12Jorge Coveiro349CF32F95E4C8FA14826353
Verified2022-10-24LordJulius349CF32F95E4C8FA12288353
History
DateUserTypeResult
2022-10-24cknoriCERT
PRP Certification
Proof certified good
2022-10-24LordJuliusC-PRP
M107279/214559 : 349CF32F95E4C8FA
PRP proof power = 5
PRP: Verified
Proof certified good
2022-05-12Jorge CoveiroC-PRP
M107279/214559 : 349CF32F95E4C8FA
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2022-05-06LordJuliusNF
no factor from 2^62 to 2^63
2022-05-06LordJuliusNF
no factor from 2^61 to 2^62
2022-05-06LordJuliusNF
no factor from 2^60 to 2^61
2022-05-06LordJuliusNF
no factor from 2^59 to 2^60
2022-05-06LordJuliusNF
no factor from 2^58 to 2^59
2022-05-06LordJuliusNF
no factor from 2^57 to 2^58
2022-04-15LordJuliusC-PRP
M107279/214559 : 349CF32F95E4C8FA
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2020-04-17Oliver KruseC-PRP
M107279/214559 : 349CF32F95E4C8FA
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M107279/214559 : B92877890D618ECD
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M107279/214559 : B92877890D618ECD
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M107279/214559 : B92877890D618ECD
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M107279/214559 : B92877890D618ECD
PRP without proof (not generated)
2016-11-30kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12