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
2336407Factored
FactorDigitsBitsDate
25466836311031.2old
2754792355241241094972167.92023-09-18 09:49:53
4451469161483995712632168.62018-02-06 20:27:27
ECM
DigitsB1Curves
255000073 / 280
Estimated T-Level: 21.3
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-12Oliver Kruse9E0A90DD48AEA9231013
Verified (Factored)2017-11-23ATH9E0A90DD48AEA923189928613
Verified (Factored)2018-02-10Massimo Cappelli (ik5pwa)7BCA3869009F0C4D2197207153
Verified (Factored)2018-02-11AdolfNor7BCA3869009F0C4D2216476853
Verified2023-09-18Naegi Makoto7BCA3869009F0C4D317203453
History
DateUserTypeResult
2023-09-18johnguinCERT
PRP Certification
Proof certified good
2023-09-18Naegi MakotoC-PRP
M2336407/2546683631/275479235524124109497/445146916148399571263 : 7BCA3869009F0C4D
PRP proof power = 7
PRP: Verified
Proof certified good
2023-09-18TJAOIF
Factor: 275479235524124109497 / TF: 67-68
2021-04-13ViliamFNF-PM1
B1=5000000, B2=505000000
2018-03-18alpertronNF-PM1
B1=500000, B2=15000000, E=12
2018-02-11AdolfNorC-PRP
M2336407/2546683631/445146916148399571263 : 7BCA3869009F0C4D
PRP: Verified (Factored)
PRP without proof (not generated)
2018-02-10Massimo Cappelli (ik5pwa)C-PRP
M2336407/2546683631/445146916148399571263 : 7BCA3869009F0C4D
PRP: Verified (Factored)
PRP without proof (not generated)
2018-02-06ATHF-ECM
Factor: 445146916148399571263 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-23ATHC-PRP
M2336407/2546683631 : 9E0A90DD48AEA923
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-12Oliver KruseC-PRP
M2336407/2546683631 : 9E0A90DD48AEA923
PRP: Verified (Factored)
PRP without proof (not generated)