## Multiples and Factors

### Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers.
A multiple is a number that is in a particular times table. For example the multiples of 3 are 3, 6, 9, 12, 15 18..............

A factor isa number that can be divided into another number without a remainder. For example the factors of 12 are 1, 2, 3, 4, 6, 12.

Q1. From the list of numbers
 2 4 6 7 9 15 18 21 23 27

Write down the multiples of:
a. 2
 2 4

b.3
 9 18

c.9

Q2. From the list of numbers
 3 60 14 15 24 25 64 6 90

a. Write down the largest multiple of 8.
b. Write down the smallest multiple of 5.
c. Write down any number which is not a multiple of 3.

Q3. Write down a multiple of 9 that is larger than 105, but smaller than 111.

Q4. Write down two multiples of 9 that have a sum of 54. 9,

Q5. Write down two multiples of 7 that have a difference of 35. 7,

Q6. Find the smallest multiple of 13 that is also a multiple of 6.

Q7. Find a multiple of 16 that is a factor of 96.

Q8. Find a multiple of 15 that is a factor of 60.

Q9. From the list of numbers,

 2 4 6 7 9 15 18 21 23 27

Write down the factors of:
a. 36 , , , , .
b. 63 , ,
c. 24 , , ,

Q10. Write down two factors of 36 that

a. Have a sum of 16 ,
b. Have a difference of 14 , .
c. Are both odd ,
d. Are both even , .
e. Have a product of 27. , .