1) What is the LCM of 6 and 7? a) 42 b) 56 c) 30 d) 21 2) The LCM of 2 and 10 is? a) 5 b) 6 c) 8 d) 10 3) If 20 is the LCM of 10 and 20, what is the LCM of 100 and 50? a) 1000 b) 100 c) 10 d) 10000 4) 30 is the LCM of what digits? a) 4 and 5 b) 3 and 9 c) 5 and 7 d) 5 and 6 5) What is the LCM of 5 and 15? a) 10 b) 45 c) 15 d) 30 6) 12, 24, and 36 are common multiples of? a) 4 and 6 b) 3 and 5 c) 3 and 9 d) 10 and 20 7) What is the LCM of 9 and 7? a) 63 b) 81 c) 36 d) 45 8) 4, 8, 12, 16 and 20 are common multiples of? a) 4 and 3 b) 2 and 4 c) 3 and 2 d) 5 and 2 9) What is the LCM of 12 and 8? a) 24 b) 12 c) 16 d) 36 10) What is the LCM of 100 and 200? a) 100 b) 200 c) 300 d) 400

Finding the Least Common Multiple (LCM)

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