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<?php //php program to find create a function to check whether a number passed to it as argument is prime or not function prime($a) { $prime=true; for($i=2;$i<=$a/2;$i++) { if($a%$i==0) { $prime=false; break; } } if($prime==true) { print('number passed to function is prime'); } else { print('number passed to function is not prime'); } } prime(10); print('<br>'); prime(5); ?>