Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2104633Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
50511193825.6old
22937842395483701719432271.02023-10-21 07:04:03
1766371463767488007931419372787.22024-10-23 07:34:30
ECM
DigitsB1Curves
2550000280 / 280
30250000162 / 640
Estimated T-Level: 26.3
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-07Oliver KruseB40D0165A7333E6F1013
Verified (Factored)2017-11-17kkmrkkblmbrbkB40D0165A7333E6F1205216213
Verified (Factored)2023-10-21Sergei Kozelko87C95FE5D05B808A2169440253
Verified2024-10-23Naegi Makoto87C95FE5D05B808A335329653
History
DateUserTypeResult
2024-10-23Kamil GorskiCERT
PRP Certification
Proof certified good
2024-10-23Naegi MakotoC-PRP
M2104633/50511193/2293784239548370171943/176637146376748800793141937 : 87C95FE5D05B808A
PRP proof power = 7
PRP: Verified
Proof certified good
2024-10-23TJAOIF-ECM
Factor: 176637146376748800793141937 / (ECM curve 18, B1=250000, B2=251325195, Edwards Sigma=5131495781275606)
2023-10-21curtiscCERT
PRP Certification
Proof certified good
2023-10-21Sergei KozelkoC-PRP
M2104633/50511193/2293784239548370171943 : 87C95FE5D05B808A
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2023-10-21Sergei KozelkoF-ECM
Factor: 2293784239548370171943 / (ECM curve 2, B1=50000, B2=12970230, Sigma=604036241138392)
2017-11-17kkmrkkblmbrbkC-PRP
M2104633/50511193 : B40D0165A7333E6F
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-07Oliver KruseC-PRP
M2104633/50511193 : B40D0165A7333E6F
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12