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The least common multiple is the smallest number that is multiple of two or more numbers.
10: 10, 20, 30, 40, 50, 60
12: 12, 24, 36, 48, 60
15: 15, 30, 45, 60
The LCM of 10, 12 and 15 is 60.
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Using prime factorisation:
prime factorise each number in power format:
10 = 2 x 5
12 = 2² x 3
15 = 3 x 5
LCM is the product of the highest power of every prime that appears in any of the numbers (across the numbers):
lcm = 2² x 3 x 5 = 60
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Continue Learning about Basic Math
What is the LCM of 10 12 15?
The LCM is 60.
What is the LCM for 10 12 15?
60. 10 x 6 = 60, 12 x 5 = 60, and 15 x 4 = 60.
What is the LCM for 2 5 12 and 15?
The LCM is 60.
What are some examples of LCM?
The LCM of 3 and 6 is 6 The LCM of 5 and 7 is 35. The LCM of 8 and 9 is 72. The LCM of 12 and 15 is 60.
What is the LCM of 12 and 10 and 11?
Least Common Multiple (LCM) for 12 10 11 is 660
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