Question 43

How many of the factors of 256 are perfect squares?

Solution

The correct option is D.

256 is square of 16. so, the square of numbers which are factors of 16 will be the factors of 256.

Factors of 16= 1,2,4,8,16 so 5 perfect square no. are factors of 256 = 1, 4,16,64,256

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