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Since one number ends in a zero, your least common multiple must also end in one. 21 x 10=210 and 30 x 7=210
It is: 210

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6y ago
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13y ago

630 i think

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Q: What is the least common multiple of 30 and 21?
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What is the least common multiple of 21and 30?

The least common multiple of the numbers 21 and 30 is 210.


What are the lowest common multiples of 21 and 30?

The Least Common Multiple of 21 and 30 is 210.


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The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers.The least common multiple of 3, 21, and 30 is 210.


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