Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
3373129Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
134925160011133.7old
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 Kruse4A6C24CB2D25D16C1312579753
Verified2017-12-15kkmrkkblmbrbk4A6C24CB2D25D16C1282491553
History
DateUserTypeResult
2022-08-16JossNF-PM1
B1=3373129, B2=368560500
2021-12-20JossNF-PM1
B1=3373129, B2=111907950
2021-05-28JossNF
no factor from 2^67 to 2^68
2021-05-28JossNF-PM1
B1=3373129
2021-03-13JossNF-PM1
B1=337312, B2=3710441, E=6
2017-12-15kkmrkkblmbrbkC-PRP
M3373129/13492516001 : 4A6C24CB2D25D16C
PRP: Verified
PRP without proof (not generated)
2017-11-05Oliver KruseC-PRP
M3373129/13492516001 : 4A6C24CB2D25D16C
PRP: Verified
PRP without proof (not generated)