What is the sum of the greatest common factor and the lowest common multiple of 12 and 48?	Choose the correct option:	A) 20	B) 60	C) 40	D) 56	E) 20
Prime factorization of 12 = 2 x 2 x 3   Prime factorization of 48 = 2 x 2 x 2 x 2 x 3   GCF = 12   LCM = 48   Sum = 60   Ans: 60
<result>B</result>
What is the sum of the greatest common factor and the lowest common multiple of 12 and 48?