# Lowest Common Multiples (1)

In this worksheet, students state the lowest common multiple of two numbers.

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Concepts and Vocabulary for All Numbers

Difficulty level:

### QUESTION 1 of 10

The multiples of 10 are 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120 etc.....

The multiples of 15 are 15, 30, 45, 60, 75, 90, 105, 120, 135 etc......

Some of these multiples appear in both lists and these are the common multiples of 10 and 15.  They are:

30, 60, 90, 120 etc...

This list will go on forever but 30 is the smallest

or the Lowest Common Multiple (LCM) of 10 and 15.

What is the lowest common multiple of....?

2 and 5

What is the lowest common multiple of....?

2 and 4

What is the lowest common multiple of....?

3 and 4

What is the lowest common multiple of....?

3 and 5

What is the lowest common multiple of....?

3 and 6

What is the lowest common multiple of....?

4 and 5

What is the lowest common multiple of....?

4 and 7

What is the lowest common multiple of....?

5 and 7

What is the lowest common multiple of....?

4 and 6

What is the lowest common multiple of....?

9 and 6

• Question 1

What is the lowest common multiple of....?

2 and 5

10
• Question 2

What is the lowest common multiple of....?

2 and 4

4
• Question 3

What is the lowest common multiple of....?

3 and 4

12
• Question 4

What is the lowest common multiple of....?

3 and 5

15
• Question 5

What is the lowest common multiple of....?

3 and 6

6
• Question 6

What is the lowest common multiple of....?

4 and 5

20
• Question 7

What is the lowest common multiple of....?

4 and 7

28
• Question 8

What is the lowest common multiple of....?

5 and 7

35
• Question 9

What is the lowest common multiple of....?

4 and 6

12
• Question 10

What is the lowest common multiple of....?

9 and 6

18
---- OR ----

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