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Worksheets2-5 Prime and Composite Numbers
Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
Prime numbers have:
a)
Exactly 2 factors
b)
2 pairs of factors
c)
More than 2 factors
d)
1 factor
e)
answer not given
2.
Composite numbers:
a)
Are always bigger than prime numbers
b)
Have more than 2 factors
c)
Have 2 pairs of factors
d)
Don't have factors
3.
Find the prime number
a)
10
b)
9
c)
7
d)
4
4.
which number is composite
a)
11
b)
13
c)
21
d)
23
5.
Which number is NOT a factor of 10?
a)
1
b)
2
c)
3
d)
5
6.
True or False
2 is a COMPOSITE number.
2 is a COMPOSITE number.
a)
TRUE
b)
FALSE
7.
Which number is NOT a factor of 18 ?
a)
2
b)
3
c)
5
d)
9
8.
Which number listed below is a prime number?
a)
1
b)
37
c)
63
d)
33
9.
Which of the following is a factor of 54?
a)
4
b)
7
c)
5
d)
9
10.
Which number listed below is a prime number?
a)
1
b)
37
c)
63
d)
33
11.
Which is a prime number?
a)
15
b)
17
c)
21
d)
39
12.
What number is the only even prime number?
a)
0
b)
2
c)
1
d)
3
13.
Is 100 a prime or composite number?
a)
Prime
b)
Composite
14.
Is 33 a prime or composite number?
a)
Prime
b)
Composite
15.
Which of the following numbers is COMPOSITE?
a)
2
b)
37
c)
41
d)
4
16.
Is 29 prime or composite?
a)
Prime
b)
Composite
17.
True or False: A composite number is able to be divided by more than two numbers.
a)
True
b)
False
18.
What are all prime numbers divisible by?
a)
1, 2, and itself
b)
1 and itself
c)
Every number from 1-10
d)
They aren't divisable at all
19.
Which number listed below is a prime number?
a)
1
b)
37
c)
63
d)
33
20.
Which of the following numbers shows all of the factors of 12?
a)
1,2,3,4,6,12
b)
1,2,3,4,6,8,12
c)
1,2,4,6,12
d)
2,4,6,8,10,12
21.
24, 48, 72, 96 are all multiples of
a)
5
b)
7
c)
11
d)
12
22.
Which is not a multiple of 6?
a)
72
b)
42
c)
18
d)
35
23.
Which of the following is a multiple of 7?
a)
28
b)
48
c)
71
d)
45
24.
The answer to a multiplication problem is called a ______________.
a)
factor
b)
sum
c)
product
d)
quotient
e)
multiple
25.
Two _______________ are multiplied together in a multiplication problem to get a product.
a)
factors
b)
sums
c)
products
d)
quotients
e)
multiples
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