PHP | Write a program to test whether a given number is prime or not.?(without use GOTO statement). Email ThisBlogThis!Share to TwitterShare to Facebook Reactions: Labs 5 Comments
$num1=$_POST["num"];
ReplyDelete$flag=0;
for($i=2;$i<=$num1/2;$i++)
{
if($num1%$i==0)
{
$flag=1;
break;
}
}
if($flag==1)
{
echo "Number is not prime";
}
else
echo "Prime";
php
ReplyDelete$low=$_POST['num'];
$flag=0;
for($i=2;$i<$low;$i++)
{ if($low%$i==0)
{$flag=1;
break;
}
}
if($flag==0)
echo"
$low is an prime number";
else
echo"
$low is not a prime number";
?>
$N=$_POST['n'];
ReplyDeleteecho "The no. is: ".$N;
echo "
";
$flag=1;
for($i=2;$i<=$N/2;$i++)
{
if($N%$i==0)
{
echo "$N is not prime";
exit(0);
}
}
if($flag==1)
echo "$N is prime number";
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ReplyDeletephp
ReplyDelete$nos=$_POST["no"];
$f=0;
for($i=2;$i<=$nos/2;$i++)
{
if($nos%$i==0)
{
$f=1;
break;
}
}
if($f==1)
{
echo"$nos is not prime";
}
else
{
echo"$nos is prime";
}
?>