Mathsercise-C
Factors &
Multiples
Ready?
Here we go!
List all the factors of 48….
1
2
3
48
24
16
4
6
12
8
Answer
Try to do
them in
factor pairs
Question
2
Remember, a
factor is an
integer that
goes into
another number
without leaving
a remainder!
Factors &
Multiples
1
If the product of the
primes is ….
2x2x3x5
Question
3
What is the number?
Answer
60
Just
multiply
out the
calculation
Factors &
Multiples
2
What is the Highest Common
Factor (HCF) of 16 and 40?
1
1
16
2
8
2
4
Answer
40
4
20
10
5
8
Question
4
The highest factor in both
numbers is…
8
Factors &
Multiples
3
What
is
the
Lowest
Common
Multiples of a
number are the
Multiple
(LCM) of 12 and 18?
times table!
Start
Multiples of 12 = 12, 24, 36, 48
Multiples of 18 = 18, 36, 54, 72
Answer
The LCM is..
36
Factors &
Multiples
4