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    Question

    Calculate the Least Common Multiple (L.C.M) of 144 and

    180.
    A 650 Correct Answer Incorrect Answer
    B 720 Correct Answer Incorrect Answer
    C 800 Correct Answer Incorrect Answer
    D 945 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Prime Factorization 144 = 24 × 32   180 = 22 × 32 × 5 Take highest powers LCM = 24 × 32 × 5 = 16 × 9 × 5 = 720 LCM = 720

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