Question 1: Using the listing method, find the LCM of 8 and 12 *
1 point
Question 2: Using prime factor decomposition, find the LCM of 45 and 54 *
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Question 3: Using prime factor decomposition, find the LCM of 18 and 32. *
1 point
Bonus Question: A bus leaves Gloucester bus station every 15 minutes. A train leaves every 21 minutes. At 10am a bus and train leave the stations at the same time. When is the next time that a bus and a train leave at the same time? *
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