Prime Factorization and Exponents

The video tutorial covers the concept of factor trees and prime factorization using examples like 90 and 120. It emphasizes the importance of simplifying expressions using exponents and demonstrates how to find prime factors for various numbers. The tutorial encourages active participation by suggesting viewers write down and solve problems themselves to enhance learning.

What is the first step in the prime factorization of 90?

• Divide by 2

• Divide by 3

• Divide by 5

• Divide by 7

Tags

CCSS.6.EE.A.1

Which of the following is a correct factorization of 90?

• 2 x 3 x 5^2

• 2 x 3 x 5

• 2^2 x 3 x 5

• 2 x 3^2 x 5

Tags

CCSS.4.OA.B.4

How many times does the number 2 appear in the prime factorization of 120?

• 3

• 2

• 1

• 4

Tags

CCSS.6.EE.A.1

What is the exponent of 3 in the prime factorization of 120?

• 1

• 4

• 3

• 2

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime factor of 65?

• 4

• 5

• 3

• 2

What are the prime factors of 28?

• 2 and 7

• 2 and 14

• 4 and 7

• 1 and 28

Tags

CCSS.4.OA.B.4

Which of the following is a prime factor of 165?

• 6

• 4

• 2

• 3

What is the value of 2^2 x 5^2 x 11?

• 220

• 121

• 110

• 100

How many prime factors does the number 165 have?

• 4

• 2

• 3

• 5

Tags

CCSS.6.EE.A.1

What is the simplified form of 2^3 x 3 x 5?

• 120

• 180

• 60

• 240

Tags

CCSS.6.EE.A.1