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Encyclopedic overview
In mathematics, a multiple is the product of any quantity and an integer. In other words, for the quantities a and b, it can be said that b is a multiple of a if b = na for some integer n, which is called the multiplier. If a is not zero, this is equivalent to saying that
b
Excerpted from Wikipedia’s “multiple” article, available under the CC BY-SA 4.0 licence.