Prime No

Write a Shell Script to Check Wheather a Number Is Prime Or not

Shell Script:

clear
echo enter a number
read n
c=`factor $n|wc -w`
if [ $c -eq 2 ]
then
echo prime number
else 
echo not prime number
fi


OUTPUT:


1)[admin@localhost ~]$ sh prime.sh
enter a number
34
not prime number

2)[admin@localhost ~]$ sh prime.sh
enter a number
23
prime number