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

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MnStatusDetails
951367Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
22832809824.4old
907604119929.82008-07-16 09:29:14
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-28Oliver Kruse612BBA09ABA24E0E2013
Verified2017-10-15Oliver Kruse612BBA09ABA24E0E24782013
Verified2017-12-24ATH612BBA09ABA24E0E216552513
Verified2020-04-24Oliver Kruse09394ACCFE776838240449353
Verified2025-05-25kkmrkkblmbrbk09394ACCFE776838220670753
History
DateUserTypeResult
2025-05-25David A. McGoughCERT
PRP Certification
Proof certified good
2025-05-25kkmrkkblmbrbkC-PRP
M951367/22832809/907604119 : 09394ACCFE776838
PRP proof power = 6
PRP: Verified
Proof certified good
2020-04-24Oliver KruseC-PRP
M951367/22832809/907604119 : 09394ACCFE776838
PRP: Verified
PRP without proof (small exponent)
2017-12-24ATHC-PRP
M951367/22832809/907604119 : 612BBA09ABA24E0E
PRP: Verified
PRP without proof (small exponent)
2017-10-15Oliver KruseC-PRP
M951367/22832809/907604119 : 612BBA09ABA24E0E
PRP: Verified
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M951367/22832809/907604119 : 612BBA09ABA24E0E
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=200000, B2=5000000, E=6
2008-07-16J FeitsmaF
Factor: 907604119