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
358747Factored
FactorDigitsBitsDate
41119331279070492973652971372891.72008-01-07 21:30:09
413096856908846038102489001272995.12018-03-02 13:47:38
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-23Oliver Kruse9213EEA98A3FC2CF1013
Verified (Factored)2017-10-13Oliver Kruse9213EEA98A3FC2CF117768913
Verified (Factored)2017-12-15ATH9213EEA98A3FC2CF129722413
Verified2018-03-07ANONYMOUS697DC0359E9E0B2C229300353
Verified2018-03-16marcomich697DC0359E9E0B2C26694253
History
DateUserTypeResult
2023-12-04USAFSSNF-PM1
B1=1530000, B2=7202524560
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2018-03-16marcomichC-PRP
M358747/4111933127907049297365297137/41309685690884603810248900127 : 697DC0359E9E0B2C
PRP: Verified
PRP without proof (small exponent)
2018-03-07ANONYMOUSC-PRP
M358747/4111933127907049297365297137/41309685690884603810248900127 : 697DC0359E9E0B2C
PRP: Verified
PRP without proof (small exponent)
2018-03-02TJAOIF-ECM
Factor: 41309685690884603810248900127 / (ECM curve 12, B1=250000, B2=25000000)
2017-12-15ATHC-PRP
M358747/4111933127907049297365297137 : 9213EEA98A3FC2CF
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M358747/4111933127907049297365297137 : 9213EEA98A3FC2CF
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M358747/4111933127907049297365297137 : 9213EEA98A3FC2CF
PRP: Verified
PRP without proof (not generated)
2017-09-23Oliver KruseC-PRP
M358747/4111933127907049297365297137 : 9213EEA98A3FC2CF
PRP without proof (not generated)
2008-01-07Team_BunduF-ECM
Factor: 4111933127907049297365297137