Q5 of 52 Page 317

Write the number of factors of the following?

24

24

Prime factors of 24 are = 2 × 2 × 2 × 3


= 23 × 31


⇒ Now, number of factors can be written as n + 1 form


⇒ (3 + 1)(1 + 1) = 4 × 2 = 8


Hence, number of factors for 24 is 8


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