Write a php program to check wether a number is prime or not
<?php
// PHP code to check wether a number is prime or Not
function primeCheck($number)
{
if ($number == 1)
return 0;
for ($i = 2; $i <= $number/2; $i++)
{
if ($number % $i == 0)
return 0;
}
return 1;
}
$number = 31;
$flag = primeCheck($number);
if ($flag == 1)
echo "Prime number";
else
echo "Not Prime number"
?>