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Integers: Factors, multiples, and remainders

Integers: Factors, multiples, and remainders

From the course: Test Prep: GRE

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Integers: Factors, multiples, and remainders

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- [Voiceover] This video, I'm gonna start to go over some concepts, so here we have integers, factors, multiples, and remainders. Okay, so you need to know what these things are because some questions will directly ask you about them. So, let's start with integers. Integers are basically whole numbers. So, these numbers are like negative one, zero, two, 105, so basically anything that's a whole number is an integer. Positive integers are greater than zero, and negative integers are less than zero. Zero itself, strangely enough, is neither positive nor negative. So, when I talk about factors of numbers, factors are also sometimes called divisors. These are basically numbers that can evenly divide into another number. So, for example, let's say I had the number 16, the factors of 16 are, in terms of the positive factors, one, two, four, eight, and 16. So, these numbers are factors of 16 or divisors 'cause they divide evenly into it. When I'm talking about multiple of a number, those are…

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