. Find Greatest and Smallest Numbers Enter numbers separated by commas: Find Numbers What is a smallest and largest number and How to find smallest and largest number? Have you ever wondered what a number is? How do we know what is the smallest and the greatest number? Why do we need to learn about them in school and in life? In this article, we will explore these questions and more, using simple and plain English that anyone can understand. A number is a way of representing how many things there are in a group. For example, if you have three apples, you can use the number 3 to show how many apples you have. Numbers can also be used to measure other things, such as length, weight, time, temperature, and so on. Numbers help us compare, order, and calculate different quantities. How do we know what is the smallest and the greatest number? But how do we know what is the smallest an