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
596599Factored
FactorDigitsBitsDate
607087205023583972130492375.72009-03-18 03:05:39
ECM
DigitsB1Curves
2550000280 / 280
30250000210 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski3C4D0
Verified (Factored)John SweeneyC511456CCCC9BC4D0
Verified (Factored)Brian J. BeesleyC511456CCCC9BC4D574861
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-27Oliver Kruse038124DF579C53261013
Verified2017-09-28Oliver Kruse038124DF579C53261013
Verified2017-11-08kkmrkkblmbrbk038124DF579C5326145938113
Unverified (Reliable)2020-04-19Oliver Kruse429187DDE84E53__124385853
History
DateUserTypeResult
2023-01-02USAFSSNF-PM1
B1=1750000, B2=5399784390
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-19Oliver KruseC-PRP
M596599/60708720502358397213049 : 429187DDE84E53__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-08kkmrkkblmbrbkC-PRP
M596599/60708720502358397213049 : 038124DF579C5326
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M596599/60708720502358397213049 : 038124DF579C5326
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M596599/60708720502358397213049 : 038124DF579C5326
PRP: Unverified (Reliable)
PRP without proof (not generated)
2009-03-18James HeinrichF-ECM
Factor: 60708720502358397213049