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:
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MnStatusDetails
4327Factored946574521

354536752771249

161510437409675503

621316165862254523582603721415095832031
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2020-10-03fre_games56BC5AF53E8E68EE4229753
Verified (Factored)2020-10-01mnd956BC5AF53E8E68EE486853
Verified (Factored)2020-04-17Oliver Kruse56BC5AF53E8E68EE3337053
Verified (Factored)2017-12-07ATH08ECBE5F22C5E8AB3260913
Verified (Factored)2017-10-02kkmrkkblmbrbk08ECBE5F22C5E8AB3013
Verified (Factored)2017-09-21Oliver Kruse08ECBE5F22C5E8AB3013
History
DateUserTypeResult
2021-07-05ViliamFNF-PM1B1=1000000000, B2=201000000000
2020-10-03fre_gamesC-PRPM4327/946574521/354536752771249/161510437409675503/621316165862254523582603721415095832031 : 56BC5AF53E8E68EE
2020-10-01mnd9C-PRPM4327/946574521/354536752771249/161510437409675503/621316165862254523582603721415095832031 : 56BC5AF53E8E68EE
2020-09-30Ryan PropperF-ECMFactor: 621316165862254523582603721415095832031 / (ECM curve 1, B1=110000000, B2=900514153782, Sigma=16856555402872410790)
2020-04-17Oliver KruseC-PRPM4327/946574521/354536752771249/161510437409675503 : 56BC5AF53E8E68EE
2017-12-07ATHC-PRPM4327/946574521/354536752771249/161510437409675503 : 08ECBE5F22C5E8AB
2017-10-02kkmrkkblmbrbkC-PRPM4327/946574521/354536752771249/161510437409675503 : 08ECBE5F22C5E8AB
2017-09-21Oliver KruseC-PRPM4327/known_factors : 08ECBE5F22C5E8AB