# 1EM Unit 1 – Primes, HCF and LCM

Learning Objectives:

- Understand the definition of prime numbers and composite numbers.
- Determine whether a whole number is prime or composite.
- Express a composite number as the product of its prime factors, i.e., perform the prime factorisation.
- Solve problems involving perfect square, perfect cube, square root, or cube root using prime factorisation.
- Find the highest common factor (HCF) and the lowest common multiple (LCM) of two or more whole numbers.
- Solve problems involving the real-world applications of prime numbers, HCF and LCM.

## Course Content

Expand All

Welcome!
1 Question

Expand

Lesson Content

0% Complete
0/1 Steps

Lesson Content

0% Complete
0/11 Steps

Lesson Content

0% Complete
0/6 Steps

Lesson Content

0% Complete
0/11 Steps

Lesson Content

0% Complete
0/16 Steps

###### Download Lesson Notes

###### Download Summary Notes

###### Download Summary Worksheet I

## Course Content

Expand All

Welcome!
1 Question

Expand

Lesson Content

0% Complete
0/1 Steps

Lesson Content

0% Complete
0/11 Steps

Lesson Content

0% Complete
0/6 Steps

Lesson Content

0% Complete
0/11 Steps

Lesson Content

0% Complete
0/16 Steps

Preview this Course

Login

Accessing this course requires a login. Please enter your credentials below!