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
1793387Factored
FactorDigitsBitsDate
49346783994291433991962.12009-07-10 07:09:54
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 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)Robert FribergEDEDFBCD68FDF1930
Verified (Factored)1998-12-13Ethan O'ConnorEDEDFBCD68FDF193862816
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-03Oliver Kruse0C4979561659BD391013
Verified2017-11-05kkmrkkblmbrbk0C4979561659BD391153797313
History
DateUserTypeResult
2017-11-05kkmrkkblmbrbkC-PRP
M1793387/4934678399429143399 : 0C4979561659BD39
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1793387/4934678399429143399 : 0C4979561659BD39
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2009-07-10SubPrimeF-ECM
Factor: 4934678399429143399