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Problem Solving (PS) | Re: What is the sum of the unique prime factors of 384?

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Bunuel wrote:

What is the sum of the unique prime factors of 384?

A. 5
B. 10
C. 17
D. 24
E. 29


384 = 4 x 96 = 4 x 48 x 2 = 2^7 x 3

So, the sum of the unique prime factors is 2 + 3 = 5.

Answer: A

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