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
243233Factored
FactorDigitsBitsDate
455332177928.8old
58356865126791342.42008-07-21 09:14:47
405114369954324212542784453032995.02022-05-19 22:25:38
ECM
DigitsB1Curves
2550000280 / 280
30250000459 / 640
Estimated T-Level: 28.6
TF below 2^90 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse3C46C5160B0A6F032013
Verified (Factored)2017-10-12kkmrkkblmbrbk3C46C5160B0A6F0327078513
Verified (Factored)2020-04-17Oliver KruseE144F4B3E66728EB216105853
Verified2022-05-19aperson1E144F4B3E66728EB33494353
History
DateUserTypeResult
2022-05-20Ben DeloCERT
PRP Certification
Proof certified good
2022-05-19aperson1C-PRP
M243233/455332177/5835686512679/40511436995432421254278445303 : E144F4B3E66728EB
PRP proof power = 5
PRP: Verified
Proof certified good
2022-05-19debrouxlF-ECM
Factor: 40511436995432421254278445303 / (ECM curve 5, B1=250000, B2=36250000, Sigma=2821070841134782)
2022-04-10Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2021-07-22Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M243233/455332177/5835686512679 : E144F4B3E66728EB
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M243233/455332177/5835686512679 : 3C46C5160B0A6F03
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M243233/455332177/5835686512679 : 3C46C5160B0A6F03
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M243233/455332177/5835686512679 : 3C46C5160B0A6F03
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 5835686512679