Q.

Factorise 24 into its prime factors

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a

24 = 4 x 2 x 3

b

24 = 2 x 2 x 2 x 3

c

24 = 8 x 3

d

24 = 2 x 2 x 6

answer is B.

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Detailed Solution

Expressing a given number as a product of factors that are all prime numbers is called the prime factorisation of a number.

Hence 24 = 2 x 2 x 2 x 3

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Factorise 24 into its prime factors