Prime Factorization

Prime Factorization

​Prime Numbers

• ​2, 3, 5, 7, 11, 13, 17, 19, 23, ...

• ​Can only be divided by themselves and 1

Multiple Select

Select the prime numbers (there may be more than one).

• 2

• 51

• 13

• 27

​Factors

• ​The numbers that multiply together to make the given number

• ​Example:

• The factors of 12 are 1, 2, 3, 4, 6, and 12

Multiple Select

Select the factors of 26

• 2

• 13

• 6

• 3

​Prime Factorization

• ​Break a number down into "prime factors"

• ​Rewrite as prime numbers being multiplied together

Multiple Choice

Which of the following is correct prime factorization of 12?

• $$2\times6$$  

• $$1\times12$$  

• $$2\times2\times3$$  

• $$3\times4$$  

Open Ended

Look at the tree diagrams. Based on these diagrams, what is the prime factorization of 30?