Shell script to check whether the given no. is prime or not

SOURCE CODE:

echo “Enter the no.”

read n

i=2

while [ $i –lt $n ]

do

e=`expr $n % $i`

if test  $e –eq 0

then

     echo “Given no. is not PRIME”

     break;

else

     i=`expr $i + 1`

fi

done

if test $i –eq $n

then

     echo “Given no. is PRIME”

fi

OUTPUT:

Enter the no.

5

Given no. is PRIME