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

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Exponent Range:










MnStatusDetails
490927Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
8836687723.1old
103210224397271443.22008-07-21 09:20:22
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 Kruse0AA6ED5846AE6A812013
Verified2017-09-27Oliver Kruse0AA6ED5846AE6A812013
Verified2017-11-07kkmrkkblmbrbk0AA6ED5846AE6A812901313
Verified2020-04-18Oliver Kruse80764FDD5AF24766230179653
Verified2024-11-29kkmrkkblmbrbk80764FDD5AF24766223678753
History
DateUserTypeResult
2024-11-29MarvinistCERT
PRP Certification
Proof certified good
2024-11-29kkmrkkblmbrbkC-PRP
M490927/8836687/10321022439727 : 80764FDD5AF24766
PRP proof power = 6
PRP: Verified
Proof certified good
2024-08-22cramsey87NF-PM1
B1=7000000, B2=42834594660
2020-04-18Oliver KruseC-PRP
M490927/8836687/10321022439727 : 80764FDD5AF24766
PRP: Verified
PRP without proof (small exponent)
2017-11-07kkmrkkblmbrbkC-PRP
M490927/8836687/10321022439727 : 0AA6ED5846AE6A81
PRP: Verified
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M490927/8836687/10321022439727 : 0AA6ED5846AE6A81
PRP: Verified
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M490927/8836687/10321022439727 : 0AA6ED5846AE6A81
PRP: Verified
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 10321022439727