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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.

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prime factorisation of 24 is

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LCM ( least common multiple) :

Find LCM of 28 and 16

3 / 25

Find the tenth multiple of 12

4 / 25

LCM ( least common multiple) :

Find LCM of 21 and 14

5 / 25

_____ is neither prime number nor composite.

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Questions based on Factors (True or False) :

2 and 3 are consecutive prime numbers.

7 / 25

HCF ( highest common factor) :

Find HCF of 25 and 15

8 / 25

LCM ( least common multiple) :

Find LCM of  2 and 3

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

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HCF ( highest common factor) :

Find HCF of 24 and 36

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Choose the correct answer :

The smallest factor of any number is ____.

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Questions based on Factors (True or False) :

Number 4 has more than 2 factors.

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HCF ( highest common factor) :

Find HCF of 21 and 14

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Factors and Multiples : True or False :

11 and 12 are twin primes.

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LCM ( least common multiple) :

Find LCM of  6 and 15

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HCF ( highest common factor) :

Find HCF of  8,  12  and  20

17 / 25

Which is the smallest multiple of a number ?

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LCM ( least common multiple) :

Find LCM of 54 and 36

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LCM ( least common multiple) :

Find LCM of  12  and  6

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Questions based on Factors (True or False) :

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

 

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LCM ( least common multiple) :

Find LCM of 40 and 24

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Which is the 7th multiple of 12?

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LCM ( least common multiple) :

Find LCM of  5  and  15

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LCM ( least common multiple) :

Find LCM of   3 ,  5  and 6

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HCF ( highest common factor) :

Find HCF of 24,  32,  48

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