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
3367339Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
6539978459031239.3old
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-05Oliver Kruse469AB602E85FBE0E160821153
Verified2017-12-15kkmrkkblmbrbk469AB602E85FBE0E1168558153
History
DateUserTypeResult
2022-02-09JossNF-PM1
B1=1000000, B2=119912100
2021-06-01JossNF
no factor from 2^67 to 2^68
2021-03-13JossNF-PM1
B1=336733, B2=3704072, E=6
2017-12-15kkmrkkblmbrbkC-PRP
M3367339/653997845903 : 469AB602E85FBE0E
PRP: Verified
PRP without proof (not generated)
2017-11-05Oliver KruseC-PRP
M3367339/653997845903 : 469AB602E85FBE0E
PRP: Verified
PRP without proof (not generated)