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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MnStatusDetails
854103583Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
41263275139716527299912271.82019-01-25 10:27:55
History
DateUserTypeResult
2025-03-28James HeinrichF
Factor: 4126327513971652729991 / TF: 71-72
2019-01-25Smok_bmv F
Factor: 4126327513971652729991 / TF: 71-72*
2019-01-25Smok_bmv NF
no factor from 2^70 to 2^71
2017-01-10ramgeisNF
no factor from 2^68 to 2^70
2015-08-29sasakiNF
no factor from 2^67 to 2^68
2015-02-22sasakiNF
no factor from 2^66 to 2^67
2013-08-13america64NF
no factor from 2^65 to 2^66
2010-10-18Architects CubedNF
no factor from 2^64 to 2^65
2010-04-15Architects CubedNF
no factor from 2^63 to 2^64