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write the prime number of program?in php
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Answer / mishra ashutosh
i am assuming that you want to test whether a no is prime or not.
$no=123;//lets say, u can take this value form also using $_POST or $_GET
$flag=0;
for($i=2;$i<$no;++$i){
if($no%$i==0){
$flag=1;
break;
}
}
if($flag==1)
echo "$no is not a Prime No" ;
else
echo "$no is a Prime No" ;
| Is This Answer Correct ? | 18 Yes | 1 No |
Answer / akvh
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<form action="" method="post">
Enter the number: <input type="text" name="num" />
<input type="submit" name="sub" />
</form>
<?php
if(isset ($_POST['sub']))
{
$a=$_POST['num'];
$i=2;
$f=0;
while($i<=($a/2))
{
if($a%$i==0)
{
$f=1;
break;
}
$i++;
}
if($f==1)
{
echo "NOT PRIME";
}
else
{
echo "PRIME";
}
}
?>
</body>
</html>
| Is This Answer Correct ? | 13 Yes | 1 No |
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