Let’s learn Factors and Multiples tested in O Level Math. In this chapter on Factors and Multiples, we’ll cover these topics. You’ll find video lectures for each lesson.

Lesson 3: What are prime numbers

Lesson 4: What are composite numbers

Lesson 5: What is index notation in Math

Lesson 7: Finding Highest Common Factor (HCF) by Prime Factorisation

Lesson 8: Finding Lowest Common Multiple (LCM) by Prime Factorisation

Lesson 9: Finding Square Roots by Prime Factorisation

Lesson 10: Finding Cube Roots by Prime Factorisation

## Lesson 1: What are Factors

In this lesson, we look at what are factors in Math, and how to find the factors of a number in video.

## Lesson 2: What are Multiples

In this lesson, we look are what are multiples, and also look at examples of multiples.

## Lesson 3: What are Prime Numbers

Let’s talk about prime numbers in this lesson. Prime numbers are numbers that have only 2 factors: 1 and itself.

## Lesson 4: What are composite Numbers

In this lesson, we look at what are composite numbers.

## Lesson 5: What is Index Notation in Math

In this lesson, we look at what are index notation.

## Lesson 6: Prime Factorisation

In this lesson, we’ll be looking at prime factorisation.

## Lesson 7: Finding Highest Common Factor (HCF) by Prime Factorisation

In this lesson, we’ll learn how to find the highest common factor (HCF) by prime factorisation.

## Lesson 8: Finding Lowest Common Multiple (LCM) by Prime Factorisation

In this lesson, we’ll be looking at how to find the lowest common multiple (LCM) by prime factorisation.

## Lesson 9: Find Square Roots using Prime Factorisation

In this lesson, we’ll be looking at how to find square roots by prime factorisation.

## Lesson 10: Find Square Roots using Prime Factorisation

In this lesson, we’ll be looking at how to find cube roots by prime factorisation.