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
3066127Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
21892146791031.0old
ECM
DigitsB1Curves
2550000102 / 280
Estimated T-Level: 21.8
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-28Oliver Kruse1578E24C17F7FE901250777353
Verified2017-12-11kkmrkkblmbrbk1578E24C17F7FE901265670753
History
DateUserTypeResult
2022-02-18JossNF-PM1
B1=1000000, B2=128282700
2021-04-25JossNF
no factor from 2^67 to 2^68
2021-01-19JossNF-PM1
B1=306612, B2=3066127, E=6
2017-12-11kkmrkkblmbrbkC-PRP
M3066127/2189214679 : 1578E24C17F7FE90
PRP: Verified
PRP without proof (not generated)
2017-10-28Oliver KruseC-PRP
M3066127/2189214679 : 1578E24C17F7FE90
PRP: Verified
PRP without proof (not generated)