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The prime factorization of 180 is 2 x 2 x 3 x 3 x 5.

The prime factorization of 70 is 2 x 5 x 7.

The prime factorization of 180 x 70 is 2 x 2 x 2 x 3 x 3 x 5 x 5 x 7 or 23 x 32 x 52 x 7

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13y ago

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