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15 Cards in this Set
 Front
 Back
Prime number

An integer greater than one whose only positive factors are 1 and itself.


Composite number

A noneprime positive integer greater than 1.


Greatest common factor
GCF 
It is the largest positive integer that divides evenly into 2 numbers.


Least common multiple
LCM 
It is the smallest positive integer that is a multiple of 2 numbers.


Rational number

It is a number that an be expressed as a ratio of 2 integers when the denominator is not equall to 0.


Reciprocals
(multiplicative inverses) 
2 numbers whose product are 1


Square root

It is one of a numbers 2 equal factors.


Cube root

It is one of a numbers 3 equal factors.


nth root.

it is one of a numbers n Equal factors


Set

A collection of objects.


Union of sets

It is the set of elements that appear in any of the sets.


Intersection of sets

It is the set of elements common to all of the sets.


Subset

One set is a subset of another set if every element of the 1st is contained in the 2nd. A C B


Natural numbers

The set of counting numbers, beginning with 1 and going infinately.


Real numbers

The union of sets of rational and irrational numbers.
