Primes, factors and multiples
Identify multiples and factors, including finding all factor pairs of a number and common factors of two numbers; know and use the vocabulary of prime numbers, prime factors and composite numbers; establish whether a number up to 100 is prime
What you'll learn
- 1
Imagine you have 12 biscuits 🍪. Can you put them into equal groups with none left over?
- 2
What is a factor of 12?
- 3
Show me 3 rows of 4 biscuits — that's one way to make 12.
- 4
Let's find all the factors of 12 together.
- 5
Now try 16 — drag the array to show all the factors.
- 6
Which number is a factor of 16?
- 7
A number with only 2 factors (1 and itself) is called a prime number. Is 7 a prime number?
Practise Primes, factors and multiples with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 9–11. Aligned to the UK National Curriculum.