Question

The sum of the exponents of the prime factors in the prime factorisation of 196 is:
(a) 1
(b) 2
(c) 4
(d) 6

Answer 1

196=2*2*7*7=2^2*7^2
Sum of exponents=2+2=4
Plz tell me if there is any other method to solve it, I'll be delighted to know :D