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
381087983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16801637154001358387112270.52020-01-10 04:31:58
History
DateUserTypeResult
2025-04-05James HeinrichF
Factor: 1680163715400135838711 / TF: 70-71
2020-01-10Smok_bmv F
Factor: 1680163715400135838711 / TF: 70-71*
2017-02-13mikrNF
no factor from 2^69 to 2^70
2017-02-13mikrNF
no factor from 2^68 to 2^69
2017-01-27vwflat4NF
no factor from 2^67 to 2^68
2016-04-13rubikvn2100NF
no factor from 2^66 to 2^67
2014-04-17tscNF
no factor from 2^65 to 2^66
2011-03-30Architects CubedNF
no factor from 2^64 to 2^65