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
3332897Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
17264406471030.7old
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
Verified2017-11-04Oliver Kruse43F0A8FA8D0F0EC01329805453
Verified2017-12-15kkmrkkblmbrbk43F0A8FA8D0F0EC01266102653
History
DateUserTypeResult
2022-09-06JossNF-PM1
B1=1110965, B2=226749600
2022-01-24JossNF-PM1
B1=1110965, B2=119912100
2021-05-03JossNF
no factor from 2^67 to 2^68
2021-03-07JossNF-PM1
B1=333289, B2=3666186, E=6
2017-12-15kkmrkkblmbrbkC-PRP
M3332897/1726440647 : 43F0A8FA8D0F0EC0
PRP: Verified
PRP without proof (not generated)
2017-11-04Oliver KruseC-PRP
M3332897/1726440647 : 43F0A8FA8D0F0EC0
PRP: Verified
PRP without proof (not generated)