1. Warm Up Write each set of numbers in exponent form:
8 x 8 x 8 x 8 2) 4 x 4 x 4
3) 5 x 5 x 7 x 7 x 7 4) 6 x 6 x 6 x 2 x 2 x 2 x 2 x 2
Write each number out to show what you would multiply:
1) ) ) 87

2. Prime Factorization
Prime Factorization-a composite number written as a product of prime numbers (we can use a factor tree to help us)

3. Write P for prime,
C for composite
or N for neither

4. Fill in the missing numbers of the factor trees
150 15
150 =

5. Fill in the missing numbers of the factor trees
210
210 = 21 5

6. Fill in the missing numbers of the factor trees4 2 2 5

7. Write the prime factorization using exponents
90 = = =

8. Find the prime factorization of 60.
A 3² • 10 B 2 • 3 • 10
C 2 • 2 • 15 D 2² • 3 • 5
Which is the prime factorization of 315?
A 3³ • 5 B 3³ • 7
C 3² • 5 • 7 D 3 • 5² • 7

9. Find the prime factorization of 27.
A B 9 • 3
C 3 • 3 • 3 D 3² • 3