Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2482309Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
663304936939931445.9old
ECM
DigitsB1Curves
2550000196 / 280
Estimated T-Level: 23.5
TF below 2^73 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-14Oliver Kruse8C1EA0641041F9C51248145353
Verified2017-11-29storm55108C1EA0641041F9C51177223653
History
DateUserTypeResult
2023-03-19Denial140NF-PM1
B1=1000000, B2=5917212210
2022-08-18USAFSSNF-PM1
B1=224000, B2=203668920
2017-11-29storm5510C-PRP
M2482309/66330493693993 : 8C1EA0641041F9C5
PRP: Verified
PRP without proof (not generated)
2017-10-14Oliver KruseC-PRP
M2482309/66330493693993 : 8C1EA0641041F9C5
PRP: Verified
PRP without proof (not generated)