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
359837Factored
FactorDigitsBitsDate
1528162717573624874412167.12008-01-08 04:45:54
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
Verified2017-09-23Oliver Kruse31781A8C633E83EC1013
Verified2017-11-02kkmrkkblmbrbk31781A8C633E83EC125440013
Unverified (Reliable)2020-04-18Oliver Kruse7BF88FFA8CE63C__113152553
History
DateUserTypeResult
2023-12-05USAFSSNF-PM1
B1=1530000, B2=5367308100
2020-04-18Oliver KruseC-PRP
M359837/152816271757362487441 : 7BF88FFA8CE63C__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-02kkmrkkblmbrbkC-PRP
M359837/152816271757362487441 : 31781A8C633E83EC
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M359837/152816271757362487441 : 31781A8C633E83EC
PRP: Unverified (Reliable)
PRP without proof (not generated)
2008-01-08James HeinrichF-ECM
Factor: 152816271757362487441