## Basic College Mathematics (10th Edition)

Multiples of 4: 4, 8, 12, 16, 20 In order to find the LCM of 2 and 4, we must find the first multiple of 4 that is also divisible by 2. $4\div2=2$ Therefore, 4 is the LCM of 2 and 4. This makes sense, given that 4 is a multiple of 2.