WorksheetsFACTORS AND MULTIPLES
Total questions: 20
Worksheet time: 20mins
Which are the factors of 28?
14
20
28
6
8
4 is a factor of 30. True or false?
True
False
Which of the following is the factor of 27
2
3
4
6
4 is the prime factors of 12. True or false?
True
False
7 is the prime factor of 28. True or false?
True
False
Prime factors of 18 are
1 and 2
2 and 3
2, 3 and 9
3 , 6 and 9
Prime factor of 45 is
1
5
9
15
Express 30 in the form of prime factorisation
30 = 2 x 3 x 5
30 = 2 x 15
30 = 3 x 10
30 = 1 x 30
Express 36 in the form of prime factorisation
36 = 4 x 9
36 = 2 x 2 x 3
36 = 2 x 2 x 9
36 = 2 x 2 x 3 x 3
Common factors of 9 and 15 are
1
3
9
15
Common factors of 18, 21 and 27 are
1
2
3
6
Find the HCF of 15 and 30
5
10
15
30
Which of the following is the multiple of 12?
1
4
20
48
Which are the common multiples of 4 and 6?
4
12
24
30
Find the LCM of 6 and 15.
3
15
30
60
Which are common multiples of 2, 3 and 4
16
24
48
52
Find the LCM of 8 and 10
8
10
40
80
Multiples of 8 = 8, ______, _____, ______.
Fill in the blank with correct answer
10, 12, 16
16, 24, 30
16, 20, 30
16, 24, 32
In a supermarket, oranges are sold 6 in a packet and apples are sold 8 in a packet. Tan wants to buy the same number of each fruit. What is the least number of packets of each fruit Tan needs to buy?
Oranges = 3 packets, Apples = 4 packets
Oranges = 4 packets, Apples = 3 packets
Oranges = 2 packets, Apples = 2 packets
Oranges = 8 packets, Apples = 6 packets
Find the difference between HCF and LCM of 12 and 20
4
12
20
56
