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8 = 2 x 2 x 2 or 8 = 2^3

189 = 3 x 3 x 3 x 7 or 189 = 3^3 x 7

72 = 2 x 2 x 2 x 3 x 3 or 72 = 2^3 x 3^2

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16y ago

What else can I help you with?