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
1439017Factored
FactorDigitsBitsDate
90186151771596112647772272.92008-03-06 17:40:07
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Joe SundayD906CEC84D8745F50
Verified (Factored)Cornelius CaesarD906CEC84D8745F50
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-30Oliver Kruse567DA5DB61559DC71013
Verified2017-10-27Chang Chia-Tche567DA5DB61559DC7165882213
History
DateUserTypeResult
2017-10-27Chang Chia-TcheC-PRP
M1439017/9018615177159611264777 : 567DA5DB61559DC7
PRP: Verified
PRP without proof (not generated)
2017-09-30Oliver KruseC-PRP
M1439017/9018615177159611264777 : 567DA5DB61559DC7
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-03-06Team_BunduF-ECM
Factor: 9018615177159611264777