What is the sum of the greatest common factor and the lowest common multiple of 36 and 16?	Choose the most appropriate option.
A) 148 B) 210 C) 314 D) 320 E) 344

Rationale: prime factorization of 36 = 2 x 2 x 3 x 3 prime factorization of 16 = 2 x 2 x 2 x 2 gcf = 4 lcm = 144 sum = 148 . answer a .
Answer: A