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Worksheet -2-Factors and multiples (for class 5 and 6)

Worksheet -2-Factors and multiples (for class 5 and 6)


1.       
If the sum of digits of a number is divisible by 9, then the number is divisible by _______

a)
Only 2
b)
Only 3

c)
Both 3 and 6
d)
Both 3 and 9
2.       
Match the following.

a)
A number which is exactly divisible by 2
i)
Odd numbers

b)
A number which is not exactly divisible by 2
ii)
Even numbers

c)
A natural number greater than 1 which has no factors except 1 and itself
iii)
Prime numbers
3.       
The smallest prime number is _________ .

a)
1
b)
9

c)
2
d)
3
4.       
Which of these number is divisible by both 10 and 5?

a)
3240
b)
6215

c)
8102
d)
2341
5.       
HCF of 11 and 77 is _______ .

a)
11
b)
7

c)
77
d)
1
6.       
LCM of 7 and 8 is _______ .

a)
7
b)
8

c)
56
d)
1
7.       
HCF of two consecutive numbers is _______ .

a)
The smaller number
b)
1

c)
The bigger number
d)
Product of both the numbers
8.       
LCM of two consecutive numbers is _______ .

a)
The smaller number
b)
1

c)
The bigger number
d)
Product of both the numbers
9.       
Write the prime factorization for
35 =
40 =
28 =
30 =
10.   
Write the first five multiples of 9.
11.   
____________ is a factor of every number.
12.   
____________ is the only even prime number.
13.   
List all the prime numbers less than 35.
14.   
List all the composite numbers from 35 to 50.
15.   
Complete the following table.

Number
                                               Divisible by
2
3
4
5
6
9
10
850







56421







14652







800







255







7986








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