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
164112181Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
71417294780210065407432272.62018-07-23 07:45:27
History
DateUserTypeResult
2018-07-23yponomarevF
Factor: 7141729478021006540743 / TF: 72-73
2018-07-21ZenghuiNF
no factor from 2^71 to 2^72
2018-07-20Damian SilvestreNF
no factor from 2^70 to 2^71
2018-07-19proxy2222NF
no factor from 2^69 to 2^70
2017-04-09XolotlNF
no factor from 2^68 to 2^69
2016-05-26rubikvn2100NF
no factor from 2^67 to 2^68
2015-05-19Jason UNF
no factor from 2^66 to 2^67
2013-03-08KayJongsmaNF
no factor from 2^65 to 2^66
2011-02-08runeskNF
no factor from 2^64 to 2^65
2010-07-03Mr-PlonkNF
no factor from 2^63 to 2^64