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
168358921Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
87953579742532695228492272.92019-07-08 04:27:57
History
DateUserTypeResult
2019-07-08Smok_bmv F
Factor: 8795357974253269522849 / TF: 72-73*
2018-09-07ZenghuiNF
no factor from 2^71 to 2^72
2018-02-28ZenghuiNF
no factor from 2^70 to 2^71
2018-02-20ZenghuiNF
no factor from 2^69 to 2^70
2017-05-01tscNF
no factor from 2^68 to 2^69
2016-03-31XZTNF
no factor from 2^67 to 2^68
2015-06-05vwflat4NF
no factor from 2^66 to 2^67
2013-03-23sasaki3NF
no factor from 2^65 to 2^66
2011-02-17sasaki3NF
no factor from 2^64 to 2^65
2010-07-07sasaki3NF
no factor from 2^63 to 2^64