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Class 4 MATH – FACTORS & MULTIPLES

FACTORS AND MULTIPLES : Revision Test

Note : Parental/Teacher Guidance recommended

  • This is a revision test.
  • This test will have different set of 25 questions each time.
  • You will get a certificate once you score 100%.
  • Certificate can be downloaded from the result page.

1 / 25

The product of LCM and HCF of any two natural numbers is equal to_______ of the numbers.

2 / 25

_____ is neither prime number nor composite.

3 / 25

LCM ( least common multiple) :

Find LCM of 28 and 16

4 / 25

Factors and Multiples : True or False :

Multiples Which are common to two or more numbers are called common multiples.

5 / 25

I am a multiple of 5 between 26 and 32. Who am I?

6 / 25

HCF ( highest common factor) :

Find HCF of  8,  12  and  20

7 / 25

LCM ( least common multiple) :

Find LCM of  2 and 3

8 / 25

HCF ( highest common factor) :

Find HCF of 54 and 36

9 / 25

LCM ( least common multiple) :

Find LCM of 40 and 24

10 / 25

HCF ( highest common factor) :

Find HCF of 40 and 24

11 / 25

LCM ( least common multiple) :

Find LCM of  6 and 15

12 / 25

HCF ( highest common factor) :

Find HCF of 21 and 14

13 / 25

HCF ( highest common factor) :

Find HCF of 25 and 15

14 / 25

LCM ( least common multiple) :

Find LCM of   3 ,  5  and 6

15 / 25

The numbers which have only two factors are called ________________.

16 / 25

Questions based on Factors (True or False) :

Number 4 has more than 2 factors.

17 / 25

prime factorisation of 120 is

18 / 25

Choose the correct answer :

The largest factor of any number is______.

19 / 25

Factors and Multiples : True or False :

There are 8 prime numbers from 1 to 20.

20 / 25

Find the eighth multiple of 15

21 / 25

Factors and Multiples : True or False :

11 and 12 are twin primes.

22 / 25

Questions based on Factors (True or False) :

When difference of two prime numbers is 2 , they are called Twin Primes.

 

23 / 25

______ is the only number with one factor.

24 / 25

Which number is a factor of every number?

25 / 25

Questions based on Factors (True or False) :

2 and 3 are consecutive prime numbers.

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