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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

Choose the correct answer :

The smallest factor of any number is ____.

2 / 25

HCF ( highest common factor) :

Find HCF of 24 and 36

3 / 25

LCM ( least common multiple) :

Find LCM of   3 ,  5  and 6

4 / 25

LCM ( least common multiple) :

Find LCM of 25 and 15

5 / 25

LCM ( least common multiple) :

Find LCM of 28 and 16

6 / 25

LCM ( least common multiple) :

Find LCM of  6 and 15

7 / 25

HCF ( highest common factor) :

Find HCF of  8,  12  and  20

8 / 25

Factors and Multiples : True or False :

11 and 12 are twin primes.

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Which is the smallest multiple of 11 ?

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HCF ( highest common factor) :

Find HCF of 21 and 14

11 / 25

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

12 / 25

Factors and Multiples : True or False :

There are 8 prime numbers from 1 to 20.

13 / 25

Questions based on Factors (True or False) :

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

 

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HCF ( highest common factor) :

Find HCF of 54 and 36

15 / 25

HCF ( highest common factor) :

Find HCF of 28 and 16

16 / 25

Find the tenth multiple of 12

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LCM ( least common multiple) :

Find LCM of  12  and  6

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The numbers which have only two factors are called ________________.

19 / 25

Which is the 7th multiple of 12?

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LCM ( least common multiple) :

Find LCM of 40 and 24

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Questions based on Factors (True or False) :

The smallest composite number is 2.

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prime factorisation of 120 is

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Questions based on Factors (True or False) :

2 and 3 are consecutive prime numbers.

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The numbers which have more than two factors are called ________________.

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Which number is a factor of every number?

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