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    Question

    The sum of the exponents of the prime factors in the

    prime factorization of 196 is
    A 2 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 6 Correct Answer Incorrect Answer
    D 1 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Find prime factors of 196: 196=2×98 98=2×49 49=7×7 So, 196 = 22×72. Sum of exponents: Exponent of 2 = 2 Exponent of 7 = 2 Total sum = 2 + 2 = 4

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