Greatest Common Factor

Applications Real World Math Do we want to split things into smaller sections? Are we trying to figure out how many people we can invite? Are we trying to arrange something in rows or groups? Math Adding and Subtracting Fractions Factoring in Algebra

Objective: Compute the Greatest Common Factor (GCF) of two numbers

Greatest Common Factor Greatest – largest Common - shared alike by two or more Factor - a divisor Divisor - a number that divides into another without a remainder.

Greatest Common Factor Greatest – largest Common - shared alike by two or more Factor - a divisor Divisor - a number that divides into another without a remainder.

Greatest Common Factor (GCF)– the largest number that divides into 2 or more numbers without a remainder

Find the GCF by listing the factors of each number. 15 25

Find the GCF by listing the factors of each number. 24 36

16 24 GCF is 8 Find the GCF by listing the factors of each number. 1, 2, 4 , 8, 16 1, 2, 3, 4, 6, 8, 12, 24 Circle the common factors Choose the Greatest Common Factor GCF is 8