Term Definition
integer any whole number and its opposite
opposite number that is same distance from zero on other side of number line
absolute value a number's distance from zero
negative number any number to the left of zero on a number line
positive number any number to the right of zero on the number line
prime number any whole number greater than 1 that is only divisible by 2 numbers-1 and itself (has exactly 2 factors)
composite number any number that has more than 2 factors (divisible by more than 2 numbers)
rational number any number that can be written as a fraction
least common multiple smallest number that 2 factors can both go into
greatest common factor The highest number that divides exactly into two or more numbers
whole number counting numbers 0 or greater
Unit 1 Vocabulary Integers; Divisibility; Rational Numbers

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