Question

Using the prime factorisation method, find which of the following numbers are not perfect squares. (i) 6724 (ii) 1296

Answer 1

Answer:

The prime factors have even powers 400 is a perfect square one of the prime factors (3) has an odd power and 768 is not a perfect square since the power of the prime factors are even 1296 is a perfect square since one of its prime factors has an odd power than 8000 is not a perfect square

Answer 2

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