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    Question

    Which pair of these numbers is cop

    rime?
    A 4, 12 Correct Answer Incorrect Answer
    B 33, 35 Correct Answer Incorrect Answer
    C 15, 9 Correct Answer Incorrect Answer
    D 45, 9 Correct Answer Incorrect Answer

    Solution

    Co-prime Numbers. Co-prime numbers are pairs of numbers that do not have any common factor other than 1. There should be a minimum of two numbers to form a set of co-prime numbers. Example 33, 35 The factors of 33 are 3 and 11 The factors of 35 are 7 and 5 33 and 35 have no common factor except 1, Hence 33 and 35 are co-prime numbers.

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