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The prime factors of 180 are 2, 2, 3, 3, and 5.

The prime factors of 216 are 2, 2, 2, 3, 3, and 3.

The common factors are 2, 2, 3, and 3, so the greatest common factor is 2 x 2 x 3 x 3 = 36.

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16y ago

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