 # Smartick - Math, one click away

Try it for free Nov27

## Prime Numbers: How to Find Them with the Sieve of Eratosthenes In today’s post, we’re going to learn how to find prime numbers using the Sieve of Eratosthenes. A prime number is one which is only divisible by 1 and itself. It’s as simple as that; the downside is that there’s no mathematical formula to make sure whether a number is prime or not. Think of a high number like 191,587. […]

Sep29

## Follow 8 Easy Steps to Factor a Number In this entry, we’re going to explain how to break down or factor a number to its prime numbers step by step. Before we start anything, feel free to look at these entries where we explain what “factoring” means and what a prime number is so you can refresh your memory. Factorization How to factor […]

Aug07

## Divisibility Guidelines for 5 and Some Examples In this post we will learn the criteria of divisibility by 5. A number is divisible by 5 when dividing the number by 5 results in a remainder of zero. But how can we know without having to complete the division? Here we show you the easiest way.   Divisibility criteria for 5: To determine if a number is […] 