/Shell/Bash/Linux shell scipts to check whether given number is prime or not

Linux shell scipts to check whether given number is prime or not

How to check prime number in shell script

#!/bin/bash
echo -e "Enter Number : \c"
read n
for((i=2; i<=$n/2; i++))
do
  ans=$(( n%i ))
  if [ $ans -eq 0 ]
  then
    echo "$n is not a prime number."
    exit 0
  fi
done
echo "$n is a prime number."

Source: grepper.com

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