Questions 1 to 5 carry 2 marks each. Show your workings clearly in the space below each question and write your answers in the spaces provided. For questions which require units, give your answers in the units stated.

(a)
Write down all the common factors of 4 and 6.

Ans: (a)___
(b)
What is the largest common multiple of 4 and 6 that is smaller than 50?

Ans: (b)___

It won't just hand you the answer — it asks where you're stuck.How the checker works

Worked solution

1. List the factors of 4 and 6

Factors of 4: $1, 2, 4$
Factors of 6: $1, 2, 3, 6$

2. Identify the common factors

The numbers that appear in both lists are $1$ and $2$ .

Answer

$1, 2$

1. Find the lowest common multiple (LCM) of 4 and 6

Multiples of 4: 4, 8, 12, 16, ...
Multiples of 6: 6, 12, 18, ...
The lowest common multiple is 12.

2. Find the largest multiple of the LCM that is smaller than 50

Multiples of 12: 12, 24, 36, 48, 60, ...
The largest multiple of 12 that is smaller than 50 is 48.

Answer

$48$

AI analysis — may contain mistakes.

Worked this one out on paper? Snap your steps and Gigle's AI math checker will circle the step where it went wrong.