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
1806041Factored
FactorDigitsBitsDate
683964556713179757432065.92014-01-16 14:32:07
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.
LL
StatusDateUserResidueShift
Verified (Factored)Ivor HortonA9C5F10D4D193F690
Verified (Factored)1999-03-15Juhana RäsänenA9C5F10D4D193F69557638
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-03Oliver KruseAE53D0EE99425D4B1013
Verified2017-11-05kkmrkkblmbrbkAE53D0EE99425D4B191859313
History
DateUserTypeResult
2017-11-05kkmrkkblmbrbkC-PRP
M1806041/68396455671317975743 : AE53D0EE99425D4B
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1806041/68396455671317975743 : AE53D0EE99425D4B
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-01-16Never Odd Or EvenF
Factor: 68396455671317975743 / TF: 65-66
2014-01-04Never Odd Or EvenNF
no factor from 2^69 to 2^70
2014-01-04Never Odd Or EvenNF
no factor from 2^68 to 2^69
2014-01-04Never Odd Or EvenNF
no factor from 2^67 to 2^68
2014-01-04Never Odd Or EvenNF
no factor from 2^66 to 2^67
2014-01-04Never Odd Or EvenNF
no factor from 2^65 to 2^66
2013-11-12David CampeauNF
no factor from 2^64 to 2^65
2011-02-07Carsten KossendeyNF-PM1
B1=100000, B2=1650000, E=6
2011-02-02Matteo2DNF
no factor from 2^63 to 2^64
2010-12-13GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-11Architects CubedNF
no factor from 2^60 to 2^61