Font size
S
M
L
XL
WorksheetsClassification of Numbers
Total questions: 10
Worksheet time: 14mins
Name
Class
Date
1.
1. If k is an even number, which of the following expression is an odd number? (ck means 𝑐×𝑘)
a)
3k
b)
4k+2
c)
5k+4
d)
6k+5
2.
2. Which of the following numbers is NOT a prime number?
a)
2
b)
37
c)
181
d)
253
3.
3. What is the classification of the number 1026?
(You may choose more than one option.)
a)
Even Number
b)
Odd Number
c)
Composite Number
d)
Prime Number
4.
4. Which of the following is NOT a prime factor of 3080?
a)
2
b)
5
c)
7
d)
13
5.
5. Which of the following has a prime factor of 3?
a)
224
b)
235
c)
242
d)
252
6.
6. What is the GCF of 100 and 40?
a)
5
b)
10
c)
20
d)
40
7.
7. What is the LCM of 12 and 18?
a)
6
b)
30
c)
36
d)
216
8.
8. What is the GCF of 42, 28, and 56?
a)
7
b)
12
c)
14
d)
21
9.
9. What is the LCM is 18, 20, and 4?
a)
160
b)
180
c)
200
d)
220
10.
10. Which of the following triples is relatively prime?
a)
45, 36, 18
b)
255, 33, 195
c)
110, 363, 195
d)
140, 770, 539
Reset
