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
164139497Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12132127856116963055592270.02018-07-21 18:18:57
History
DateUserTypeResult
2018-07-21Andrew GF
Factor: 1213212785611696305559 / TF: 70-71
2018-07-20proxy2222NF
no factor from 2^69 to 2^70
2017-04-10John DeweyNF
no factor from 2^68 to 2^69
2016-06-01rubikvn2100NF
no factor from 2^67 to 2^68
2015-05-19tscNF
no factor from 2^66 to 2^67
2013-03-08Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-08runeskNF
no factor from 2^64 to 2^65
2010-07-03sasaki3NF
no factor from 2^63 to 2^64