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WorksheetsFactors and Multiples
Total questions: 25
Worksheet time: 2hrs 52mins
Name
Class
Date
1.
Which number is a factor of 10
a)
3
b)
4
c)
5
d)
8
2.
Which number is a factor of 24
a)
9
b)
7
c)
11
d)
12
3.
Which is a NOT a factor of 9?
a)
0
b)
1
c)
3
d)
9
4.
A prime number is...
a)
a number that has only one factor.
b)
a number that has at least two factors.
c)
a number that has more than two factors.
d)
a number that has only two factors.
(1 and itself)
(1 and itself)
5.
Which number is NOT prime?
a)
3
b)
7
c)
17
d)
21
6.
Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?
7 14 22 28
Which one is incorrect?
a)
7
b)
14
c)
22
d)
28
7.
What is the GCF of 8 and 10?
a)
1
b)
3
c)
4
d)
2
8.
Find the greatest common factor of 20 and 30
a)
2
b)
5
c)
10
d)
15
9.
What is the LCM of 4 and 12?
a)
4
b)
8
c)
12
d)
16
10.
What is the LCM of 3 and 6?
a)
3
b)
6
c)
12
d)
15
11.
What is the LCM?
a)
The LCM is the least common factor that both numbers share the least.
b)
The LCM is a multiple that both numbers share the most.
c)
The LCM is a multiple that both numbers share the least.
d)
The LCM is a factor that both numbers share the least.
12.
Which of the following is a multiple of 7?
a)
28
b)
48
c)
71
d)
45
13.
Is 3 a factor of 12?
a)
yes
b)
no
14.
Which of the following is NOT true about prime numbers?
a)
They have exactly two factors
b)
1 is a factor of every prime number
c)
No prime numbers end in zero
d)
All prime numbers are odd numbers.
15.
Find ALL FACTORS of 24
a)
1, 2, 12, 24
b)
1, 2, 8, 24
c)
1, 2, 3, 4, 5, 6, 8, 12, 24
d)
1, 2, 3, 4, 6, 8, 12, 24
16.
14, 49, and 28 are all multiples of what number?
a)
2
b)
7
c)
4
d)
5
17.
Which number is a factor of 6?
a)
12
b)
2
c)
8
d)
10
18.
Which are the factors of both 6 and 15?
a)
9
b)
5
c)
6
d)
3
19.
Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?
7 14 22 28
Which one is incorrect?
a)
7
b)
14
c)
22
d)
28
20.
Numbers that can be multiplied together to make a product.
a)
multiples
b)
sum
c)
factors
d)
facts
21.
Which number is a factor of 48?
a)
6
b)
18
c)
7
d)
9
22.
Which number is a multiple of 8?
a)
4
b)
2
c)
24
d)
30
23.
Which answer choice lists all the factors for 27?
a)
3, 9
b)
1, 3, 9, 27
c)
1, 3, 6, 9, 12, 27
d)
1, 3, 6, 9, 18, 27
24.
What does GCF mean?
a)
Great Cookie Fever
b)
Greatest Common Factor
c)
Greatest Common Multiple
d)
Greatest Compared Factor
25.
Adam is trying to find the greatest number of gift bags he can give to his friends. He wants the same amount of toy dinosaurs and stickers in each bag. If he has 30 toy dinosaurs and 20 stickers, what does he need to find? How many dinosaurs and stickers will be in each bag?
a)
Greatest Common Multiple; 3 dinosaurs and 2 stickers
b)
Greatest Common Factor; 3 dinosaurs and 2 stickers
c)
Greatest Common Factor; 6 dinosaurs and 4 stickers
d)
Least Common Multiple; 60 dinosaurs and 60 stickers
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