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
13278709Factored
FactorDigitsBitsDate
7116017548362173511859.3old
7076278646871997522392169.32021-08-18 09:53:04
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-06-29Poao6E4E310ACEF41DF321262979453
History
DateUserTypeResult
2022-06-29ZhiYuanCERT
PRP Certification
Proof certified good
2022-06-29PoaoC-PRP
M13278709/711601754836217351/707627864687199752239 : 6E4E310ACEF41DF3
PRP proof power = 8
PRP: Verified
Proof certified good
2022-06-22nordiNF-PM1
B1=300000, B2=210129150
2022-06-20nordiNF-PM1
B1=300000
2021-08-18ATHF-PP1
Start=2/7, B1=100000, B2=10000000, Factor: 707627864687199752239