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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
9349Factored
FactorDigitsBitsDate
17930447111030.7old
19261774663827666454072270.7old
5434795899007015060328572478.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001281 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse4B82CB3174D60EE73013
Verified2017-10-02kkmrkkblmbrbk4B82CB3174D60EE73013
Verified2017-12-07ATH4B82CB3174D60EE73577713
Unverified2020-04-17Oliver Kruse4EBE273DD28B66__3913053
History
DateUserTypeResult
2023-07-05JacobZNF-PM1
B1=62000000000, B2=254047854677867250
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M9349/1793044711/1926177466382766645407/543479589900701506032857 : 4EBE273DD28B66__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M9349/1793044711/1926177466382766645407/543479589900701506032857 : 4B82CB3174D60EE7
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M9349/1793044711/1926177466382766645407/543479589900701506032857 : 4B82CB3174D60EE7
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9349/known_factors : 4B82CB3174D60EE7
PRP without proof (not generated)