What is Factoring?
•Quick Write: Write down everything you
know about Factoring.
• You can use Bullets or give examples
• 2 Minutes
• Share with partner!
10.
Factoring?
• Factoring isa method to find the basic
numbers and variables that made up a
product.
• (Factor) x (Factor) = Product
• Some numbers are Prime, meaning they are
only divisible by themselves and 1
11.
Method 1
• GreatestCommon Factor (GCF) – the
greatest factor shared by two or more
numbers, monomials, or polynomials
• ALWAYS try this factoring method 1st
before any other method
• Divide Out the Biggest common
number/variable from each of the terms
12.
Greatest Common Factors
akaGCF’s
Find the GCF for each set of following numbers.
Find means tell what the terms have in common.
Hint: list the factors and find the greatest match.
a) 2, 6
b) -25, -40
c) 6, 18
d) 16, 32
e) 3, 8
2
-5
6
16
1
No common factors?
GCF =1
13.
Find the GCFfor each set of following numbers.
Hint: list the factors and find the greatest match.
a) x, x2
b) x2
, x3
c) xy, x2
y
d) 2x3
, 8x2
e) 3x3
, 6x2
f) 4x2
, 5y3
x
x2
xy
2x2
Greatest Common Factors
aka GCF’s
3x2
1 No common factors?
GCF =1
17.
Exit Slip
• Writethese 2 things:
(with your name)
• 1. Define what factors are?
• 2. What did you learn today about
factoring?
