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
627289499Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8729561922277261048572169.62016-10-06 14:58:11
History
DateUserTypeResult
2016-10-06NipalF
Factor: 872956192227726104857 / TF: 67-70
2014-04-16sasakiNF
no factor from 2^65 to 2^67
2012-01-18OS1NF
no factor from 2^64 to 2^65
2010-08-03Architects CubedNF
no factor from 2^63 to 2^64