Question

By what least number should 261 be divided so that question is a perfect square.​

Answer 1

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$\huge{\boxed{\boxed{6}}}$

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●how??

$\implies\sf$To make 6x6x6 a perfect square, we need one more 6. Hence 6x6x6x6 = is the smallest divisible by 216.

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Answer 2

Answer:

29

Step-by-step explanation:

Prime factorisation of 261

261 = 3×3×29

29 is not paired so it is not a perfect square

Hence the number to be divided by 261 to make it a perfect square is 29