How to find the greatest two digit number

- Find the greatest two digit number which is a perfect square
- Find the greatest two digit number divisible by 6
- Find the greatest two digit number exactly divisible by 2
- Find the greatest two digit number divisible by both 5 and 3
- Find the greatest two digit number with 5 as a factor
- Find the greatest two digit number divisible by 8
- Find the greatest two digit prime number