Math 1300 Section 4.1 Notes 1 Greatest Common Factor and Factoring by Grouping(Review) Factoring Definition:A factoris a number, variable, monomial, or polynomial which is multiplies by another number, variable, monomial, or polynomial to obtain a product. 1. List all the possible factors of the following numbers: a. 12 b. 32 c. 19 d. -45 In the above, the number 19 is an example of a ____________ number because its only positive factors are one and itself. (Review) Greatest Common FactorDefinition:2. Find the GCF (greatest common factor) of the following numbers:
Math 1300 Section 4.1 Notes 2 Greatest Common Factor of PolynomialsIn order to find the GCF of two or more monomials, I. Find the GCF of the coefficients; II. Find the GCF of the variables; III. Rewrite the GCF as a product of the GCF of the coefficients times the GCF of the variables. Examples: 1. Find the GCF of x4and x7. x x. 4.