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
18367Factored
FactorDigitsBitsDate
440809618.7old
1066811563031236.62008-08-26 19:58:53
19055573319911340.82008-08-26 19:58:53
82049470582256167772572272.82008-08-29 02:24:40
12160014514624836029445432580.02008-08-26 19:58:53
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001184 / 4588
Estimated T-Level: 36.3
TF below 2^116 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseF158F7E2B63541BF5013
Verified2017-10-02kkmrkkblmbrbkF158F7E2B63541BF5013
Verified2017-12-07ATHF158F7E2B63541BF5510913
Unverified2020-04-17Oliver Kruse60A47FB93EA0F7__51788353
History
DateUserTypeResult
2023-05-19JacobZNF-PM1
B1=5700000000, B2=16709983434234090
2021-08-27Seth_TrNF-PM1
B1=400000000
2020-04-17Oliver KruseC-PRP
M18367/440809/106681156303/1905557331991/8204947058225616777257/1216001451462483602944543 : 60A47FB93EA0F7__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M18367/440809/106681156303/1905557331991/8204947058225616777257/1216001451462483602944543 : F158F7E2B63541BF
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M18367/440809/106681156303/1905557331991/8204947058225616777257/1216001451462483602944543 : F158F7E2B63541BF
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M18367/440809/106681156303/1905557331991/1216001451462483602944543/8204947058225616777257 : F158F7E2B63541BF
PRP without proof (not generated)
2008-08-29-Anonymous-F-ECM
Factor: 8204947058225616777257
2008-08-26-Anonymous-F-ECM
Factor: 1216001451462483602944543
2008-08-26-Anonymous-F
Factor: 1905557331991
2008-08-26-Anonymous-F
Factor: 106681156303