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

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MnStatusDetails
494341Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
7909457722.9old
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-27Oliver Kruse102B60A65E681BD51013
Verified2017-09-27Oliver Kruse102B60A65E681BD51013
Verified2017-11-09kkmrkkblmbrbk102B60A65E681BD516032113
Verified2020-04-18Oliver Kruse873652610E762DF1136846753
Verified2024-12-01kkmrkkblmbrbk873652610E762DF1145503653
History
DateUserTypeResult
2024-12-01KnightLightCERT
PRP Certification
Proof certified good
2024-12-01kkmrkkblmbrbkC-PRP
M494341/7909457 : 873652610E762DF1
PRP proof power = 6
PRP: Verified
Proof certified good
2024-08-22cramsey87NF-PM1
B1=7000000, B2=42834594660
2020-04-18Oliver KruseC-PRP
M494341/7909457 : 873652610E762DF1
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M494341/7909457 : 102B60A65E681BD5
PRP: Verified
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M494341/7909457 : 102B60A65E681BD5
PRP: Verified
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M494341/7909457 : 102B60A65E681BD5
PRP: Verified
PRP without proof (not generated)