Q:

What are the multiples of 90?

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Quick Answer

The first ten multiples of 90 are 90, 180, 270, 360, 450, 540, 630, 720, 810 and 900, according to Calculator Soup. There are an infinite number of multiples of 90.

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Full Answer

The set of numbers that make up the multiples of 90 are {90 * N, where N = 1, 2, 3, and so on; N can be any positive integer}. There is no highest multiple of 90; the multiples of 90 extend out to infinity. Likewise, any multiple of 90, when divided by 90, produces a whole positive integer. For example, 990 divided by 90 is 11, which verifies that 990 is a multiple of 90. Any number that does not produce a whole positive integer when divided by 90 is not a multiple of 90.

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