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
2106089Factored
FactorDigitsBitsDate
28421207715431341.4old
18045828496515563755372270.62022-07-06 08:54:29
176179633684159473895612373.92022-06-18 21:33:29
ECM
DigitsB1Curves
2550000104 / 280
Estimated T-Level: 21.9 ⓘ
TF below 2^68 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-07Oliver KruseD360541555095B4F1013
Verified (Factored)2017-11-17ATHD360541555095B4F1102319613
Verified (Factored)2022-06-20_p95holder_059C91702D231B552191233153
Verified (Factored)2022-06-21 some-students059C91702D231B55234585553
Verified2022-07-07matzetoni059C91702D231B553133892053
History
DateUserTypeResult
2022-07-07Simon JosefssonCERT
PRP Certification
Proof certified good
2022-07-07matzetoniC-PRP
M2106089/2842120771543/1804582849651556375537/17617963368415947389561 : 059C91702D231B55
PRP proof power = 7
PRP: Verified
Proof certified good
2022-07-06debrouxlF-ECM
Factor: 1804582849651556375537 / (ECM curve 2, B1=50000, B2=6650000, Sigma=4036010987157318)
2022-06-21VikkiMtFCERT
PRP Certification
Proof certified good
2022-06-21 some-studentsC-PRP
M2106089/2842120771543/17617963368415947389561 : 059C91702D231B55
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2022-06-20_p95holder_C-PRP
M2106089/2842120771543/17617963368415947389561 : 059C91702D231B55
PRP: Verified (Factored)
PRP without proof (not generated)
2022-06-18_p95holder_F-ECM
Factor: 17617963368415947389561 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-17ATHC-PRP
M2106089/2842120771543 : D360541555095B4F
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-07Oliver KruseC-PRP
M2106089/2842120771543 : D360541555095B4F
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12