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
377296783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19993528756049518445032270.82019-12-27 04:57:36
History
DateUserTypeResult
2025-04-05James HeinrichF
Factor: 1999352875604951844503 / TF: 70-71
2019-12-27Smok_bmv F
Factor: 1999352875604951844503 / TF: 70-71*
2019-02-04Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-08-29Chabot PrimeNF
no factor from 2^68 to 2^69
2017-01-25XolotlNF
no factor from 2^67 to 2^68
2016-04-03subgeniusNF
no factor from 2^66 to 2^67
2014-04-11MucolNF
no factor from 2^65 to 2^66
2011-03-05Architects CubedNF
no factor from 2^64 to 2^65