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Question

The prime factorization of 648 is

A
22×34
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B
23×34
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C
23×35
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D
23×36
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Solution

The correct option is B 23×34
Prime factorization of a number is expressing the number as a product of its prime factors. Expressing 648 as product of its prime factors,
648=2×324=2×2×162=2×2×2×81=2×2×2×9×9=23×34.
Therefore, the prime factorization of 648 is 23×34.

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