判断质数的最快方法

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select * from tbl_Articles WHERE ArticleID=683422 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=683422 LIMIT 0,1
select * from tbl_Articles_sphinx where id=683422 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1081969,1108237,1091420,1071507,1092225,1080235,1078150,1065049,980889,1043057,1065773,1104955,1074880,1086832,1091362,1055295,1095424,1275955,1114590,1068774,1048236,1115289,1105065,1113349,1068900,1114918,1084139,1103386,1046963,1098673) ORDER BY field (ArticleID,1081969,1108237,1091420,1071507,1092225,1080235,1078150,1065049,980889,1043057,1065773,1104955,1074880,1086832,1091362,1055295,1095424,1275955,1114590,1068774,1048236,1115289,1105065,1113349,1068900,1114918,1084139,1103386,1046963,1098673)