已知三个质数的倒数和为671/1022，则这三个质数的和为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31032' and id < 2496842 and id<>'2496842' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31032' and id > 2496842 and id<>'2496842' order by id asc limit 5