Question

using prime factorization method find which of the following is a perfect square 189 step by step​

Answer 1

Answer:

If we find the LCM of the number the it will be:-

3x3x3x7

So in this we did not have a pair for one 3 and the 7

So, we multiply it 7x3

So if any number is remained by having LCM of any number so, the number will be Not a perfect square.

189 is not a perfect square.

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