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
330697Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1984183720.9old
131251787396811443.62008-07-21 09:17:00
ECM
DigitsB1Curves
2550000280 / 280
30250000606 / 640
Estimated T-Level: 29.7
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseF8848F6AEA1796D62013
Verified2017-10-13Oliver KruseF8848F6AEA1796D629775713
Verified2017-12-12ATHF8848F6AEA1796D6212401713
Verified2020-04-18Oliver KruseA6DEBBEC5A7EC78F220078053
Verified2024-09-07kkmrkkblmbrbkA6DEBBEC5A7EC78F229551253
History
DateUserTypeResult
2024-10-14yuriy_5-1NF-PM1
B1=19000000, B2=2911512553950
2024-09-07Tercariol, C. A. S.CERT
PRP Certification
Proof certified good
2024-09-07kkmrkkblmbrbkC-PRP
M330697/1984183/13125178739681 : A6DEBBEC5A7EC78F
PRP proof power = 5
PRP: Verified
Proof certified good
2023-08-18USAFSSNF-PM1
B1=3200000, B2=16745503320
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M330697/1984183/13125178739681 : A6DEBBEC5A7EC78F
PRP: Verified
PRP without proof (small exponent)
2017-12-12ATHC-PRP
M330697/1984183/13125178739681 : F8848F6AEA1796D6
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M330697/1984183/13125178739681 : F8848F6AEA1796D6
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M330697/1984183/13125178739681 : F8848F6AEA1796D6
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M330697/1984183/13125178739681 : F8848F6AEA1796D6
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 13125178739681