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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MnDetails
2584009
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
28475779191031.4old
ECM
DigitsB1Curves
2550000167 / 280
Estimated T-Level: 23.0
TF below 2^71 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-15Oliver Kruse1444BDF420DE232B155195453
Verified
PRP without proof (not generated)
2017-12-02storm55101444BDF420DE232B135854553
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-12-02storm5510C-PRP
M2584009/2847577919 : 1444BDF420DE232B
2017-10-15Oliver KruseC-PRP
M2584009/2847577919 : 1444BDF420DE232B