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Question

The sum of the exponents of the prime factors in the prime factorization of 196 is

A 2 Correct Incorrect

B 4 Correct Incorrect

C 6 Correct Incorrect

D 1 Correct Incorrect

E None of these Correct Incorrect

Detailed 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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