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Answer» Answer: It's 3600 Step-by-step explanation: LCM of 8, 15, and 20 = 2 × 2 × 2 × 3 × 5 =120 Here, prime factors 2, 3, and 5 do not have their RESPECTIVE pairs. Therefore, 120 is not a perfect SQUARE. Therefore, 120 should be multiplied by 2 × 3 × 5, i.e. 30, to obtain a perfect square. Hence, the REQUIRED square number is 120 × 2 × 3 × 5 = 3600 Now, mark me brainliest

Answer»

Answer:

It's 3600

Step-by-step explanation:

LCM of 8, 15, and 20 = 2 × 2 × 2 × 3 × 5 =120

Here, prime factors 2, 3, and 5 do not have their RESPECTIVE pairs.

Therefore, 120 is not a perfect SQUARE.

Therefore, 120 should be multiplied by 2 × 3 × 5, i.e. 30, to obtain a perfect square.

Hence, the REQUIRED square number is 120 × 2 × 3 × 5 = 3600

Now, mark me brainliest

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