2. What are the common factors of 24, 32, and 40? Solution: 24=1,2,3,4,6,8,12,24 32=1,2,4,8,16,32 40=1,2,4,5,8,10,20,40 The common factors of 24, 32, and 40 are 1, 2, 4 and 8 The greatest factor common to 24, 32, and 40 is 8 So, the GCF of 24, 32, and 40 is 8.
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