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2 and 5 are both prime numbers. If you multiply them together, the answer is 10. 10 is the LCM of 2 and 5.

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10y ago
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12y ago

The least common multiple (LCM) of 5 and 21 is 105.

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8y ago

The LCM is 105.

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12y ago

The LCM of 15 and 21 is 105.

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12y ago

105

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9y ago

10

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Q: What is the LCM of 15and21?
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