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
702347Factored
FactorDigitsBitsDate
5618777722.4old
45863259111032.12008-07-16 09:24:49
38531654758416853062073774763436174090105742138.12022-12-21 20:24:01
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse73FEE8302B6632B72013
Verified (Factored)2017-09-28Oliver Kruse73FEE8302B6632B72013
Verified (Factored)2017-11-08kkmrkkblmbrbk73FEE8302B6632B7227208813
Verified (Factored)2020-04-20Oliver KruseCCBED18F23FFDD17228849853
Verified2022-12-25LordJuliusCCBED18F23FFDD17311033153
P-1 factors
DateFactorB1B2
2022-12-2138531654758416853062073774763436174090105715000004299875580
History
DateUserTypeResult
2022-12-25skippydCERT
PRP Certification
Proof certified good
2022-12-25LordJuliusC-PRP
M702347/5618777/4586325911/385316547584168530620737747634361740901057 : CCBED18F23FFDD17
PRP proof power = 6
PRP: Verified
Proof certified good
2022-12-21USAFSSF-PM1
Factor: 385316547584168530620737747634361740901057 / (P-1, B1=1500000, B2=4299875580)
2020-04-20Oliver KruseC-PRP
M702347/5618777/4586325911 : CCBED18F23FFDD17
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-08kkmrkkblmbrbkC-PRP
M702347/5618777/4586325911 : 73FEE8302B6632B7
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M702347/5618777/4586325911 : 73FEE8302B6632B7
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M702347/5618777/4586325911 : 73FEE8302B6632B7
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-16J FeitsmaF
Factor: 4586325911