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
149177989Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
31582588812882546414072271.42017-08-29 21:15:59
History
DateUserTypeResult
2017-08-29Yury VorobyovF
Factor: 3158258881288254641407 / TF: 71-72*
2017-08-20Yury VorobyovNF
no factor from 2^70 to 2^71
2017-08-15proxy2222NF
no factor from 2^69 to 2^70
2016-06-27Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-06DerekNF
no factor from 2^67 to 2^68
2015-03-15Karol TNF
no factor from 2^66 to 2^67
2013-01-08firereddNF
no factor from 2^65 to 2^66
2011-03-10Mr-PlonkNF
no factor from 2^64 to 2^65