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
557000069Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
170186837109206020844572373.82019-10-14 15:55:15
History
DateUserTypeResult
2019-10-14mikrF
Factor: 17018683710920602084457 / TF: 73-74*
2019-10-14mikrNF
no factor from 2^72 to 2^73
2019-10-14mikrNF
no factor from 2^71 to 2^72
2018-02-04mikrNF
no factor from 2^70 to 2^71
2017-03-17Smok_bmv NF
no factor from 2^68 to 2^70
2016-11-09ConductorNF
no factor from 2^67 to 2^68
2015-11-19sasakiNF
no factor from 2^66 to 2^67
2014-09-15sasakiNF
no factor from 2^65 to 2^66
2012-01-06ANONYMOUSNF
no factor from 2^64 to 2^65