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
175168673Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
68685208124184100804972272.52018-04-17 05:44:08
History
DateUserTypeResult
2018-04-17yponomarevF
Factor: 6868520812418410080497 / TF: 72-73
2018-04-13noknoNF
no factor from 2^71 to 2^72
2018-04-06ZenghuiNF
no factor from 2^70 to 2^71
2017-06-23RichardNF
no factor from 2^68 to 2^69
2017-06-13YxinityNF
no factor from 2^69 to 2^70
2017-06-13YxinityNF
no factor from 2^68 to 2^69
2016-06-15rubikvn2100NF
no factor from 2^67 to 2^68
2015-07-01tscNF
no factor from 2^66 to 2^67
2013-04-14sasaki3NF
no factor from 2^65 to 2^66
2011-03-06tscNF
no factor from 2^64 to 2^65
2010-07-15Mr-PlonkNF
no factor from 2^63 to 2^64