Least Common Multiple (LCM) Worksheet
Practice finding the least common multiple (LCM) of two or more numbers using various methods.
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Least Common Multiple (LCM) Practice
Name:
Date:
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Read each question carefully and follow the instructions to find the Least Common Multiple (LCM). Show your work where indicated.
1. List the first five multiples of each number, then find the LCM of 4 and 6.
Multiples of 4:
Multiples of 6:
LCM(4, 6):
2. List the first five multiples of each number, then find the LCM of 3 and 5.
Multiples of 3:
Multiples of 5:
LCM(3, 5):
3. The is the smallest positive number that is a multiple of two or more numbers.
4. To find the LCM of two numbers, you can list their until you find a common one.
5. What is the LCM of 8 and 12?
4
16
24
48
6. The LCM of 2 and 7 is 14.
True
False
7. Two buses leave the station at 9:00 AM. Bus A leaves every 15 minutes, and Bus B leaves every 20 minutes. At what time will both buses leave the station together again?
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