Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
354551Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
102110689926.6old
244769423839511444.52008-07-21 09:17:36
ECM
DigitsB1Curves
2550000280 / 280
30250000409 / 640
Estimated T-Level: 28.2
TF below 2^89 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse18B204CD2AD697652013
Verified2017-10-13kkmrkkblmbrbk18B204CD2AD69765224294113
Verified2020-04-18Oliver Kruse55D2C18133E39EBE2116153
Verified2024-09-17kkmrkkblmbrbk55D2C18133E39EBE224988453
History
DateUserTypeResult
2024-10-07yuriy_5-1NF-PM1
B1=12000002, B2=2124117455460
2024-09-17LOBESCERT
PRP Certification
Proof certified good
2024-09-17kkmrkkblmbrbkC-PRP
M354551/102110689/24476942383951 : 55D2C18133E39EBE
PRP proof power = 5
PRP: Verified
Proof certified good
2023-12-03USAFSSNF-PM1
B1=1530000, B2=5367308100
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M354551/102110689/24476942383951 : 55D2C18133E39EBE
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M354551/102110689/24476942383951 : 18B204CD2AD69765
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M354551/102110689/24476942383951 : 18B204CD2AD69765
PRP: Verified
PRP without proof (not generated)
2017-09-23Oliver KruseC-PRP
M354551/102110689/24476942383951 : 18B204CD2AD69765
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 24476942383951