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    The HCF of the least prime number and the least composite natural number is:
    Question

    The HCF of the least prime number and the least composite natural number is:

    A.

    4

    B.

    2

    C.

    1

    D.

    3

    Correct option is B

    Given:

    The least prime number = 2

    The least composite natural number = 4

    Solution:

    The factors of 2 (prime number) are: 1, 2.

    The factors of 4 (composite number) are: 1, 2, 4.

    The common factors of 2 and 4 are: 1, 2.
    The greatest common factor is 2.
    The HCF of 2 and 4 is 2.

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