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Mathematics for IGCSE & O level - Number (Section 2 - No. 36)

What is the product of prime factors of 72?
2 x 3
2^2 x 3^3
2^3 x 3^2
2 x 3^3

Explanation

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

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