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
2383763Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
4767527722.2old
ECM
DigitsB1Curves
2550000154 / 280
Estimated T-Level: 22.8
TF below 2^71 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-12Oliver KruseF17727B3390A31E01125909253
Verified2017-11-25kkmrkkblmbrbkF17727B3390A31E01163518053
History
DateUserTypeResult
2018-09-28alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-25kkmrkkblmbrbkC-PRP
M2383763/4767527 : F17727B3390A31E0
PRP: Verified
PRP without proof (not generated)
2017-10-12Oliver KruseC-PRP
M2383763/4767527 : F17727B3390A31E0
PRP: Verified
PRP without proof (not generated)