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864 can be expressed as a product of primes as:

A2 x 2 x 2 x 2 x 2 x 3 x 3 x 3

B2 x 2 x 2 x 2 x 3 x 3 x 3 x 3

C2 x 2 x 3 x 3 x 2 x 3 x 3 x 3

D2 x 3 x 2 x 3 x 2 x 3 x 2 x 3

Answer:

A. 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3


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