Any number that ends in a zero is divisible by 10.
In general, any power of ten is a multiple of ten.
102 = 10 x 10 = 100
103 = 10 x 10 x 10 = 1,000
104 = 10 x 10 x 10 x 10 = 10,000
Any one (1) with some zeros after it is a multiple of ten.
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No multiples of 10 are prime.
Any number that is not a multiple of 10.
Well, honey, technically speaking, 0 is a multiple of every number under the sun, including 10. It's like the chameleon of the number world, blending in with whatever multiple you throw at it. So yes, darling, 0 is definitely a multiple of 10.
Among the whole numbers alone, 10 is a multiple of 1, 2, 5, and 10. It's also a multiple of an infinite number of fractions and decimals.