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
186520309Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
181901619811402504649772373.92019-06-09 09:00:35
History
DateUserTypeResult
2019-06-09Samuel SchmidtF
Factor: 18190161981140250464977 / TF: 73-74
2018-12-06ZenghuiNF
no factor from 2^72 to 2^73
2017-09-27La GüiraNF
no factor from 2^71 to 2^72
2017-07-30La GüiraNF
no factor from 2^70 to 2^71
2016-04-10YxinityNF
no factor from 2^69 to 2^70
2016-04-10YxinityNF
no factor from 2^68 to 2^69
2016-04-10YxinityNF
no factor from 2^67 to 2^68
2015-08-17Chris SmithNF
no factor from 2^66 to 2^67
2013-05-26RichardNF
no factor from 2^65 to 2^66
2011-04-02dslNF
no factor from 2^64 to 2^65
2010-07-29argusdustyNF
no factor from 2^63 to 2^64