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Number - Factors and Multiples

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Question 1


List all factors for the following numbers:

a) $6$  a s v
b) $8$  a s v
c) $10$  a s v
d) $12$  a s v
e) $20$  a s v
f) $25$  a s v
g) $45$  a s v
h) $72$  a s v


Question 2


List all factors for the following numbers:

a) $2$  a s v
b) $5$  a s v
c) $11$  a s v
d) $17$  a s v
e) $29$  a s v
f) What is special about these numbers? How many factors do they produce?  a s v



Question 3


List all factors for the following numbers:

a) $9$  a s v
b) $36$  a s v
c) $49$  a s v
d) $81$  a s v
e) $100$  a s v
f) What is special about these numbers? How many factors do they produce?  a s v



Question 4


List all factors for the following numbers:

a) $50$  a s v
b) $60$  a s v
c) $88$  a s v
d) $95$  a s v
e) $120$  a s v
f) $180$  a s v


Question 5


List the first $5$ multiples for the following numbers (remember $0$!):

a) $3$  a s v
b) $5$  a s v
c) $10$  a s v
d) $9$  a s v
e) $7$  a s v
f) $12$  a s v


Question 6


List the first $10$ multiples for the following numbers:

a) $6$  a s v
b) $11$  a s v
c) $20$  a s v
d) $25$  a s v
e) $1000$  a s v
f) $17$  a s v


Question 7


Are the following statements true or false?

a) $2$ is a factor of $18$  a s v

b) $3$ is a factor of $19$  a s v

c) $5$ is a factor of $75$  a s v

d) $14$ is a factor of $140$  a s v

e) $4$ is a factor of $86$  a s v

f) $11$ is a factor of $143$  a s v



Question 8


Are the following statements true or false?

a) $12$ is a multiple of $4$  a s v

b) $29$ is a multiple of $3$  a s v

c) $0$ is a multiple of $104$  a s v

d) $36$ is a multiple of $9$  a s v

e) $45$ is a multiple of $15$  a s v

f) $48$ is a multiple of $13$  a s v



Question 9


Classify the following numbers as prime or composite:

a) $5$  a s v
b) $6$  a s v
c) $11$  a s v
d) $29$  a s v
e) $37$  a s v
f) $87$  a s v


Question 10


Negative numbers can also be factors! Using this information find the factors for:

a) $15$  a s v
b) $24$  a s v
c) $28$  a s v
d) $30$  a s v
e) $55$  a s v
f) $78$  a s v


Question 11


Negative numbers can also be multiples! Using this information find the $11$ multiples of the following numbers nearest $0$ ($5$ multiples above and below $0$):

a) $2$  a s v
b) $5$  a s v
c) $10$  a s v
d) $11$  a s v
e) $9$  a s v
f) $19$  a s v