Charlie used the definitions of GCF (Greatest Common Factor) and LCM (Least Common Multiple) to find the GCF and LCM for

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Charlie used the definitions of GCF (Greatest Common Factor) and LCM (Least Common Multiple) to find the GCF and LCM for the numbers 224 and 392. He began by listing all of the factors of 224 and 392 and highlighting all of the factors they had in common. 224: 1,2,4,7,8,28,32,56,112,224. 392: 1,2,4,7,8,14,28,49,56,98,196,392. Chair was then able to pick out the Greatest Common Factor for 224 and 392 which was 56. He then listed the first several multiplies of each number until he found the first one they both had in common 224: 448, 896,1120, 1344, 1568, 1792. 392: 784, 1176, 1568. Since the first common multiple he found was 1568, 1568, is the Least Common Multiple for 224 and 392. Lucy said Charlie's method takes too long and did this work on her paper:. According to section 8.5 in the textbook, which of the following methods is Lucy sharing with Charlie? Division Method, Trial and Error, Slide Method, Table Method? What I mean by section 8 is. In Math 204. It is Chapter 8 section 8.