求 2~500间的素数解决方案

declare @i intset @i=2while @i<500begin    declare @heshu int    set @heshu=0    declare @j int    set @j=2    while @j<@i    begin        if @[email protected]=0         begin            set @heshu=1            break        end        set @[email protected]+1    end    if @heshu=0 print @i    set @[email protected]+1end