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    Question

    What is the Highest Common Factor of 54, 162 and 270?

    A 27 Correct Answer Incorrect Answer
    B 54 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 9 Correct Answer Incorrect Answer

    Solution

    Factors of 54 = 2 × 3 × 3 × 3 Factors of 162 = 2 × 3 × 3 × 3 × 3 Factors of 270 = 2 × 3 × 3 × 3 × 5 Highest Common Factor = 2 × 3 × 3 × 3 = 54

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