Question

7. Find the smallest number by which 3042 must be divided so that it becomes a perfect square.​

Answer 1

Answer:

the smallest number by which 3042 must be divided so that it becomes a perfect square is 2.

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Answer 2

Step-by-step explanation:

Prime Factorization of 720 is,

720=2×2×2×2×3×3×5

To find perfect square make pair of two of prime factors

thus,

there is a pair of 5 is missing hence to make 720 a perfect square we have to multiply by 5.

5 is the smallest number by which 720 should be multiplied to get a perfect square number

(i) 720×5=3600

(ii)

3600

=60

∴3600+60=3660

Hence 3660 is the answer.

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