1. Greatest Common Factor

2. 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

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

4. 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.

5. 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.

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

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

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

9. 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