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
833533039Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
205086128848707791993292374.12024-06-01 23:27:14
History
DateUserTypeResult
2024-06-01ANONYMOUSF
Factor: 20508612884870779199329
2022-11-30SRBaseNF
no factor from 2^73 to 2^74
2021-01-15lycornNF
no factor from 2^72 to 2^73
2019-07-27JerryNF
no factor from 2^71 to 2^72
2016-11-29Adam BuranNF
no factor from 2^70 to 2^71
2016-10-28ramgeisNF
no factor from 2^68 to 2^70
2015-08-08sasakiNF
no factor from 2^67 to 2^68
2015-01-17sasakiNF
no factor from 2^66 to 2^67
2013-08-21america64NF
no factor from 2^65 to 2^66
2010-10-02Architects CubedNF
no factor from 2^64 to 2^65
2010-04-08Architects CubedNF
no factor from 2^63 to 2^64