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Is 21 Perfect Square? [Solved]
For example, 25 is a perfect square because it is the product of integer 5 by itself, 5 × 5 = 25. However, 21 is not a perfect square number because it cannot be expressed as the product of two same integers.
Find the smallest perfect square number divisible by 21, 36 and 66
Lcm #HCF #
The least perfect square, which is divisible by each of 21, 36 and 66 is
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Square Root 21
Step-by-step explanation of how to find the