Question

    The HCF of two numbers 144 and 2160

    is:
    A 124 Correct Answer Incorrect Answer
    B 158 Correct Answer Incorrect Answer
    C 144 Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Prime factors of 144 = 2 × 2 × 2 × 2 × 3 × 3

    Prime factors of 2160 = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 9

    HCF = 2 × 2 × 2 × 2 × 3 × 3 = 144

    Practice Next

    Relevant for Exams: