Factors, Multiples, LCM, and GCF Lesson

Factors

-A number that can be multiplied with another number to get a product

Example: Factors of 8: 1,2,4,8

A number is prime when it’s only factors are 1 and itself

A number is composite when it has more than 2 factors

36

Multiple Choice

What's the answer to a multiplication equation called?

• Factor

• Product

• Quotient

• Answer

Multiple Choice

What are the parts that equal a product called?

• factor

• product

• quotient

• sum

Fill in the Blank

What are all the factors of 12?

,

,

,

,

,

Multiple Choice

Is 12 Prime or Composite?

• Prime

• Composite

Multiples

-a number you get when you multiply a number by another whole number

Multiples of 4: 4, 8, 12, 16, 24, 32, 36, 40, 42, 44, 48

Fill in the Blank

List the first 5 multiples of 5:

,

,

,

,

GCF

Greatest Common Factor

-largest factor between two numbers

4- 1, 2, 4

6-1, 2, 3, 6

Multiple Choice

What is the Great Common Factor (GCF) of 16 and 8

• 4

• 2

• 16

• 8

LCM

Least Common Multiple

-lowest multiple between two numbers

8- 8, 16, 24,32, 40, 48, 56

10- 10, 20, 30, 40, 50

Multiple Choice

What is the Least Common Multiple (LCM) of 6 and 8?

• 32

• 36

• 24

• 12