Question

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Answer 1

Answer:

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To find the least number which must be divided to 25, we shoukd find the LCM of 252.

252 = 2 × 2 × 3 × 3 × 7

Common factors = 2 × 3

Uncommon factors = 7

7 is the only number which does not have a pair.

So, 7 is the only number which must be divided 252 to get a perfect square.

252 ÷ 7 = 36

✓36= 6

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