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Definition of a multiple of 21?

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Anonymous

15y ago
Updated: 8/17/2019

For any natural number k, 21k is a multiple of k.
So for example, if k=1, 21 is the first multiple.
Now if k=2, we have 42 which is the next one.

In fact for any number n, and any natural number k, kn is a multiple of n.

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Wiki User

15y ago

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