lovecoding
/
W250913


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        function f(n){
            for(var i=2;i<n;i++){
                if(n%i == 0){
                    return false;
                }
            }
            return true;
        }

        function foo(){
            var count = 0;
            for(var i=100;i<1000;i++){
                if(f(i)){
                    document.write(i+"&nbsp;");
                    count++;
                    if(count%6==0){
                        document.write("<br>");
                    }
                }
            }
        }
        foo();
    </script>
</body>
</html>