Exploring Prime Factorization Techniques

The video tutorial introduces prime factorization, explaining how to find the prime factors of a number. It covers essential vocabulary such as factors, prime numbers, and composite numbers, providing examples for each. The lesson includes hints for prime factorization and practice problems to reinforce learning. The video concludes with a summary and credits to contributors.

What is the essential question for today's lesson?

• What is the greatest common divisor?

• What are the properties of prime numbers?

• How can I find the prime factorization of a number?

• How do I add and subtract fractions?

Which of the following materials is NOT mentioned as needed for today's lesson?

• A growth mindset

• A writing utensil

• A calculator

• A math notebook

Tags

CCSS.2.OA.A.1

What are factors?

• Numbers that can be multiplied together to get another number

• Numbers that can be divided by another number

• Numbers that are greater than 10

• Numbers that can be added to get another number

Tags

CCSS.4.OA.B.4

Which of the following pairs are factors of 20?

• 2 and 3

• 8 and 9

• 4 and 5

• 6 and 7

Tags

CCSS.4.OA.B.4

What makes a number a prime number?

• It has more than two factors

• It is an even number

• It has exactly two factors

• It is a multiple of 5

Tags

CCSS.4.OA.B.4

Which of the following is a prime number?

• 4

• 5

• 6

• 9

Tags

CCSS.4.OA.B.4

What defines a composite number?

• It has more than two factors

• It has exactly two factors

• It is a prime number

• It is an odd number

Tags

CCSS.4.OA.B.4

Which of the following is a composite number?

• 2

• 3

• 5

• 6

Tags

CCSS.4.OA.B.4

What is the prime factorization of 10?

• 1 x 10

• 2 x 5

• 2 x 2 x 5

• 1 x 2 x 5

Tags

CCSS.4.OA.B.4

What is the prime factorization of 36?

• 6 x 6

• 1 x 36

• 4 x 9

• 2 x 2 x 3 x 3