Question

find the square root of 240 by prime factorisation


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Answer 1

Answer:

The prime factors that multiply together to make 240 are 2 x 2 x 2 x 2 x 3 x 5. When we strip out the pairs only, we get 2 x 2 x 2 x 2 = 16 and the square root of 16 is 4.

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