Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
2535829Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
3010130456171238.1old
6588646696038011549.22008-09-30 14:37:11
ECM
DigitsB1Curves
255000094 / 280
Estimated T-Level: 21.7
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-14Oliver Kruse37CCB88B5406D725244187553
Verified2017-12-01kkmrkkblmbrbk37CCB88B5406D725282376153
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-12-01kkmrkkblmbrbkC-PRP
M2535829/301013045617/658864669603801 : 37CCB88B5406D725
PRP: Verified
PRP without proof (not generated)
2017-10-14Oliver KruseC-PRP
M2535829/301013045617/658864669603801 : 37CCB88B5406D725
PRP: Verified
PRP without proof (not generated)
2008-09-30markrF
Factor: 658864669603801