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
161463307Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18575884037963497349532270.72018-06-28 05:09:50
History
DateUserTypeResult
2018-06-28Smok_bmv F
Factor: 1857588403796349734953 / TF: 70-71*
2018-06-21proxy2222NF
no factor from 2^69 to 2^70
2017-01-06n9Mtq4NF
no factor from 2^68 to 2^69
2016-03-21XZTNF
no factor from 2^67 to 2^68
2015-05-07vwflat4NF
no factor from 2^66 to 2^67
2013-02-28greg3llNF
no factor from 2^65 to 2^66
2011-02-03runeskNF
no factor from 2^64 to 2^65
2010-06-30Charles A. MorrisNF
no factor from 2^63 to 2^64