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
598487Factored
FactorDigitsBitsDate
78856647131032.9old
10843768679935114693158407992889.82023-01-03 22:55:18
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.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse8D40BBCA8F6FCBEF1013
Verified (Factored)2017-09-28Oliver Kruse8D40BBCA8F6FCBEF1013
Verified (Factored)2017-11-08kkmrkkblmbrbk8D40BBCA8F6FCBEF142119313
Verified (Factored)2020-04-19Oliver Kruse52ABDD4F4DC29050129305753
Verified2023-01-04Wentao Huang52ABDD4F4DC29050245740653
P-1 factors
DateFactorB1B2
2023-01-03108437686799351146931584079917500005399784390
History
DateUserTypeResult
2023-01-04iwesCERT
PRP Certification
Proof certified good
2023-01-04Wentao HuangC-PRP
M598487/7885664713/1084376867993511469315840799 : 52ABDD4F4DC29050
PRP proof power = 6
PRP: Verified
Proof certified good
2023-01-03USAFSSF-PM1
Factor: 1084376867993511469315840799 / (P-1, B1=1750000, B2=5399784390)
2020-04-19Oliver KruseC-PRP
M598487/7885664713 : 52ABDD4F4DC29050
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-08kkmrkkblmbrbkC-PRP
M598487/7885664713 : 8D40BBCA8F6FCBEF
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M598487/7885664713 : 8D40BBCA8F6FCBEF
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M598487/7885664713 : 8D40BBCA8F6FCBEF
PRP: Verified (Factored)
PRP without proof (not generated)