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
2354593Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
39159550600091457371961.8old
ECM
DigitsB1Curves
2550000229 / 280
Estimated T-Level: 24.1
TF below 2^75 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Tyler Bennett11BA687E7C93C3B50
Verified (Factored)1999-03-15Jim Simpson11BA687E7C93C3B52254547
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-12Oliver KruseF2AAB0867AF043B41013
Verified2017-11-24Chang Chia-TcheF2AAB0867AF043B4132731913
History
DateUserTypeResult
2018-04-27alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-24Chang Chia-TcheC-PRP
M2354593/3915955060009145737 : F2AAB0867AF043B4
PRP: Verified
PRP without proof (not generated)
2017-10-12Oliver KruseC-PRP
M2354593/3915955060009145737 : F2AAB0867AF043B4
PRP: Verified
PRP without proof (not generated)