WorksheetsPost test 1 Factors
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
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)
2.
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
3.
Which choice lists all the factors for the number 24?
a)
2, 3, 4, 6, 8, 12, 24
b)
2, 3, 4, 6, 8, 12, 24, 36
c)
1, 2, 3, 4, 6, 8, 12, 24
d)
1, 2, 4, 5, 6, 8, 12 ,24
4.
Find the prime factorization of 72
a)
23 x 32
b)
2 x 32 x 4
c)
24 x 33
d)
22 x 62
5.
If the expanded form is 2⋅2⋅2⋅3⋅3⋅5⋅7 what would the exponential form be?
a)
2⋅3⋅5⋅7
b)
2³⋅3²⋅5⋅7
c)
2²⋅3²⋅5⋅7
d)
8⋅9⋅35
6.
What is the LCM of 18a2b2 and 24a3b
a)
64 a2b2
b)
72 ab2
c)
63 a3b2
d)
72 a3b2
7.
Find the HCF and LCM of 16 and 24.
a)
HCF = 8 and LCM = 48
b)
HCF = 8 and LCM = 384
c)
HCF = 2 and LCM = 384
d)
HCF = 8 and LCM = 32
8.
Find GCF of 8ab and 12a2
a)
4a
b)
8a2
9.
Find LCM of 6a3, 12a5, and 36a4
a)
36a5
b)
6a5
c)
36a3
d)
6a3
10.
Find the HCF of 45 and 60
a)
5
b)
15
c)
10
d)
9
100 %
