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
1802683Factored
FactorDigitsBitsDate
15430966491030.5old
1860453722479530035195112477.32020-07-02 13:45:11
1394577236091556447714996070893096.82023-06-27 10:24:24
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 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)2017-10-03Oliver KruseA3AFA9132CF9A6561013
Verified (Factored)2017-11-05ATHA3AFA9132CF9A656179419513
Verified (Factored)2020-07-03pewCB2C80FA07952A2F2177417453
Verified (Factored)2020-07-03ATHCB2C80FA07952A2F23911353
Verified2023-06-27Naegi MakotoCB2C80FA07952A2F3148065553
History
DateUserTypeResult
2023-06-27Simon JosefssonCERT
PRP Certification
Proof certified good
2023-06-27Naegi MakotoC-PRP
M1802683/1543096649/186045372247953003519511/139457723609155644771499607089 : CB2C80FA07952A2F
PRP proof power = 7
PRP: Verified
Proof certified good
2023-06-27TJAOIF-ECM
Factor: 139457723609155644771499607089 / (ECM curve 49, B1=250000, B2=40000000, Sigma=2653924220338552)
2020-07-03ATHC-PRP
M1802683/1543096649/186045372247953003519511 : CB2C80FA07952A2F
PRP: Verified (Factored)
PRP without proof (not generated)
2020-07-03pewC-PRP
M1802683/1543096649/186045372247953003519511 : CB2C80FA07952A2F
PRP: Verified (Factored)
PRP without proof (not generated)
2020-07-02Chang Chia-TcheF-ECM
Factor: 186045372247953003519511 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-05ATHC-PRP
M1802683/1543096649 : A3AFA9132CF9A656
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1802683/1543096649 : A3AFA9132CF9A656
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12