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
13278319Factored
FactorDigitsBitsDate
1166367540971236.8old
40617864613173950871961.82016-06-02 12:28:40
32788174585613210503212271.52021-08-18 02:18:02
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
Verified2022-06-29kutensFAFF633614B581253626683353
History
DateUserTypeResult
2022-06-29curtiscCERT
PRP Certification
Proof certified good
2022-06-29kutensC-PRP
M13278319/116636754097/4061786461317395087/3278817458561321050321 : FAFF633614B58125
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: 3278817458561321050321
2016-06-02TJAOIF
Factor: 4061786461317395087 / TF: 61-62