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
2350057
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
569784808977191445.7old
3328378897014289611858.22015-08-18 11:27:46
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)
2017-10-12Oliver Kruse561497B3818AD5EA2013
Verified
PRP without proof (not generated)
2017-11-24storm5510561497B3818AD5EA2146670113
History
DateUserTypeResult
2018-04-27alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-24storm5510C-PRPM2350057/56978480897719/332837889701428961 : 561497B3818AD5EA
2017-10-12Oliver KruseC-PRPM2350057/56978480897719/332837889701428961 : 561497B3818AD5EA
2015-08-18TJAOIFFactor: 332837889701428961