Name
Fun with
Factors and Multiples
What are they?
Factors: Factors are the numbers we multiply together to get
another number.
4 x 5 = 20
(4 and 5 are factors of 20)
Multiples: Multiples are the results of multiplying two numbers
(integers)
5 x 3 = 15
(15 is a multiple of 5 and 3)
Multiples of 5 there onwards are: 5, 10, 15, 20, 25, 30 and so on...
…
Common multiples: As the name suggests, these are multiples
that are common between the 2 numbers!
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 26, 40, 44 and so on...
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45 and so on... …
Common multiples of 4 and 5 are: 20, 40, 60 and so on... … …
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e plore
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Name
Worksheet
Here are some fun riddles on factors and multiples. Let’s see
how good you are at solving these.
Put on your thinking caps now!
1.
I am a number less than 60. Two of my factors are 2 and 5.
The sum of my digits is 5. What number am I?
2. I am a number less than 40. One of my factors is 7. The sum
of my digits is 8. What number am I?
3. I am a common multiple of 2 and 5. I am also a factor of 50.
The sum of my digits is 1. What number am I?
4. I am a factor of 180 and a common multiple of 3, 4 and 10.
The sum of my digits is 6. What number am I?
5. I am a common multiple of 2, 5 and 10. I am a factor of 200.
The sum of my digits is 1. What number am I?
Can you make your own riddle? Send it to us at kids@myteamexplore.com to
win fun prizes.
team
e plore
© www.myteamexplore.com