From the course: Test Prep: GRE
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Integers: Factors, multiples, and remainders
From the course: Test Prep: GRE
Integers: Factors, multiples, and remainders
- [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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Contents
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Integers: Factors, multiples, and remainders2m 7s
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Integers: Even and odd and primes3m 29s
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Order of operations2m
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Number properties3m 46s
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Adding and subtracting fractions3m 36s
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Multiplying and dividing fractions1m 22s
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Decimals3m 9s
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Mental percents2m 55s
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Taking percents and increasing by percents1m 55s
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Percent change3m 36s
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Ratios and proportions4m 20s
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Direct proportion and inverse variation3m 6s
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Exponents2m 7s
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More exponents2m 7s
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Fake exponent rules2m 10s
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Scientific notation3m 32s
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Square roots3m 45s
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Cube and fourth roots2m 34s
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