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
214396577Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16378403966506434532092270.52020-01-29 08:26:25
History
DateUserTypeResult
2020-01-29Alexander TsupkoF
Factor: 1637840396650643453209
2018-05-23La GüiraNF
no factor from 2^69 to 2^70
2017-12-13sasakiNF
no factor from 2^68 to 2^69
2016-08-31XZTNF
no factor from 2^67 to 2^68
2015-10-17sasaki3NF
no factor from 2^66 to 2^67
2012-07-07america64NF
no factor from 2^65 to 2^66
2011-05-25Lukin DmitryNF
no factor from 2^64 to 2^65