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
2336519
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
467303801928.8old
2050015040231237.62008-07-14 20:23:07
19068284828631340.82008-07-14 20:23:07
442778741640684711755.32015-01-17 16:20:21
ECM
DigitsB1Curves
2550000280 / 280
30250000122 / 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
Factored
PRP without proof (not generated)
2017-10-12Oliver Kruse81CC758A4EB307C01013
Verified
PRP without proof (not generated)
2017-10-18Oliver Kruse1DA6CEE70A041CD74153811153
Verified
PRP without proof (not generated)
2017-11-23storm55101DA6CEE70A041CD74115374053
History
DateUserTypeResult
2021-04-12ViliamFNF-PM1B1=5000000, B2=505000000
2018-03-18alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2336519/467303801/1906828482863/205001504023/44277874164068471 : 1DA6CEE70A041CD7
2017-10-18Oliver KruseC-PRPM2336519/467303801/1906828482863/205001504023/44277874164068471 : 1DA6CEE70A041CD7
2017-10-12Oliver KruseC-PRPM2336519/known_factors : 81CC758A4EB307C0
2015-01-17TJAOIFFactor: 44277874164068471
2008-07-14George WoltmanF-ECMFactor: 205001504023
2008-07-14George WoltmanF-ECMFactor: 1906828482863