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
2679307Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
24220935291031.2old
ECM
DigitsB1Curves
2550000140 / 280
Estimated T-Level: 22.5
TF below 2^70 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-19Oliver Kruse9015B7B66ADC569A1163822553
Verified2017-12-03kkmrkkblmbrbk9015B7B66ADC569A147489553
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-12-03kkmrkkblmbrbkC-PRP
M2679307/2422093529 : 9015B7B66ADC569A
PRP: Verified
PRP without proof (not generated)
2017-10-19Oliver KruseC-PRP
M2679307/2422093529 : 9015B7B66ADC569A
PRP: Verified
PRP without proof (not generated)