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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2611733Factored
FactorDigitsBitsDate
1949763153831237.5old
838154349530887397212066.22019-02-26 02:26:27
3486169584083615597532168.22024-04-18 02:20:03
ECM
DigitsB1Curves
255000039 / 280
Estimated T-Level: 20.7 ⓘ
TF below 2^64 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
compositeVerified (Factored)2017-10-15Oliver Kruse6A3F31F110BC3A1F136263353
compositeVerified (Factored)2017-12-02Chang Chia-Tche6A3F31F110BC3A1F1113652253
compositeVerified (Factored)2019-02-26ATH6A3F31F110BC3A1F2247194053
compositeVerified (Factored)2019-03-15alex6A3F31F110BC3A1F2182192853
compositeVerified2024-04-18Anton Tsvetkov6A3F31F110BC3A1F348625553
P-1 factors
DateFactorB1B2
2019-02-268381543495308873972120000000
History
DateUserTypeResult
2024-04-18jftobolskiCERT
PRP Certification
Proof certified good
2024-04-18Anton TsvetkovC-PRP
M2611733/194976315383/83815434953088739721/348616958408361559753 : 6A3F31F110BC3A1F
PRP proof power = 7
PRP: Verified
Proof certified good
2024-04-18Anton TsvetkovF-ECM
Factor: 348616958408361559753 / (ECM curve 27, B1=50000, B2=14967225, Edwards Sigma=7989794885654600)
2022-09-02USAFSSNF-PM1
B1=360000, B2=288177120
2019-03-15alexC-PRP
M2611733/194976315383/83815434953088739721 : 6A3F31F110BC3A1F
PRP: Verified (Factored)
PRP without proof (not generated)
2019-02-26ATHC-PRP
M2611733/194976315383/83815434953088739721 : 6A3F31F110BC3A1F
PRP: Verified (Factored)
PRP without proof (not generated)
2019-02-26alpertronF-PM1
Factor: 83815434953088739721 / (P-1, B1=2000000)
2017-12-02Chang Chia-TcheC-PRP
M2611733/194976315383 : 6A3F31F110BC3A1F
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-15Oliver KruseC-PRP
M2611733/194976315383 : 6A3F31F110BC3A1F
PRP: Verified (Factored)
PRP without proof (not generated)