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factors

numbers that divide evenly into other numbers

prime numbers

whole numbers greater than 1 whose only factors are 1 and the number itself

composite numbers

whole numbers greater than 1 that have more than 2 factors

prime factorization

expressing a whole number as the product of its prime factors

prime factors

factors that are prime numbers

GCF

the greatest number that is a factor of 2 or more different numbers

factor by grouping

the use of the distributive property to factor some polynomials that have four or more terms

perfect square trinomials

trinomials that are the square of a binomial

prime binomial

a polynomial that cannot be written as a product of two polynomials with integral coefficients

conjugate binomials

Binomials that are the same except for the sign between the terms

perfect square trinomial qualities

the first and third term are perfect squares and positive

perfect square trinomial equations

do not have to be set to 0