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    The product of two co-prime numbers is 117. Find their HCF.
    Question

    The product of two co-prime numbers is 117. Find their HCF.

    A.

    1

    B.

    7

    C.

    117

    D.

    13

    Correct option is A

    Given:
    Two co-prime numbers with a product of 117.
    Concept Used:
    The Highest Common Factor (HCF) of two co-prime numbers is always 1, as co-prime numbers have no common divisors other than 1.
    Solution:  
    Since, there are two co-prime number;
    Thus,
    The HCF of two co-prime numbers is always 1.  
    Therefore, option(a) is correct.

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