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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Exponent Range:





MnDetails
2329667
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
242285369927.9old
298197377928.22008-07-14 20:23:04
ECM
DigitsB1Curves
2550000280 / 280
30250000124 / 640
Estimated T-Level: 26.0
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-11Oliver Kruse95B1FB528D3055FE2013
Verified
PRP without proof (not generated)
2017-11-23storm551095B1FB528D3055FE260427913
History
DateUserTypeResult
2021-04-21ViliamFNF-PM1B1=5000000, B2=500000000
2018-03-05alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2329667/242285369/298197377 : 95B1FB528D3055FE
2017-10-11Oliver KruseC-PRPM2329667/242285369/298197377 : 95B1FB528D3055FE
2008-07-14George WoltmanF-ECMFactor: 298197377