Question

Which of the following is not a square number?

(a) 363 (b) 484 (c) 625 (d) 121​

Answer 1

Answer:

a) 363

Step-by-step explanation:

√ 363 = 19.05255

363 is not a perfect square

Answer 2

Answer:

(a) 363

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Step-by-step explanation:

to find that out, we will first find each of their prime factors.

(a) 363 = 3 x 11 x 11 = 3 x 11²

(b) 484 = 11 x 11 x 2 x 2 = 22²

(c) 625 = 5 x 5 x 5 x 5 = 25²

(d) 121 = 11 x 11 = 11²

out of all of these, only 363 (a) is not a perfect square.