Write shell script to print prime numbers in a given range?

Answer 1

echo enter a range

read rng

echo 2

j=3

while test $j -le $rng

do

i=2

x=`expr $j - 1`

while test $i -le $x

do

if [ `expr $j % $i` -ne 0 ]

then

i=`expr $i + 1`

else

break

fi

done

if [ $i -eq $j ]

then

echo $j

fi

j=`expr $j + 1`

done

Answer 2

10 5 3 26 8 1 11