What is the prime factorization of 196?
a 2(2) x 7(7)
b 2 x 7(7)
c 2 x 7 x 14
d 2(2) x 49
a 2(2) x 7(7)
b 2 x 7(7)
c 2 x 7 x 14
d 2(2) x 49