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What is is the least common multiple of 12 and 21?

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Anonymous

∙ 11y ago
Updated: 10/17/2024

The LCM of 12 and 21 is 84. To find the LCM, prime factor both numbers then multiply each factor the most times it was used in either number.

12=2x2x3

21=3x7

lcm=2x2x3x7=84
The Least Common Multiple (LCM) for 12 21 is 84.

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Wiki User

∙ 7y ago
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