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What are multiples and factors in primary school mathematics?
Factor: The integer A is divisible by the integer B, A is called a multiple of B, and B is called a factor or prime number of A..

Multiplication: An integer can be divisible by another integer, and this integer is a multiple of another integer.

An integer can be divisible by another integer, which is a multiple of another integer. For example, 15 can be divisible by 3 or 5, so 15 is a multiple of 3 and 5. (2) The quotient obtained by dividing one number by another. For example, a ÷ b = c, that is, A is C times of B and A is a multiple of B. If a number is divisible by its product, then it is a factor and its product is a multiple.