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
2436061Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
53593343825.7old
170524271927.32008-07-14 20:23:52
64366773051291342.52008-07-14 20:23:53
ECM
DigitsB1Curves
2550000193 / 280
Estimated T-Level: 23.4
TF below 2^73 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-13Oliver KruseBE948290F8CF73EB375707253
Verified2017-11-27storm5510BE948290F8CF73EB331670253
History
DateUserTypeResult
2018-09-28alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-27storm5510C-PRP
M2436061/53593343/170524271/6436677305129 : BE948290F8CF73EB
PRP: Verified
PRP without proof (not generated)
2017-10-13Oliver KruseC-PRP
M2436061/53593343/170524271/6436677305129 : BE948290F8CF73EB
PRP: Verified
PRP without proof (not generated)
2008-07-14George WoltmanF-ECM
Factor: 6436677305129
2008-07-14George WoltmanF-ECM
Factor: 170524271