Prime and Composite Numbers

The video tutorial introduces the concept of prime and composite numbers, focusing on a fifth-grade math problem from the 2016 released STAAR test. It explains the difference between prime and composite numbers and demonstrates the prime factorization of the number 132. The tutorial evaluates various factor pairs to identify those containing only composite numbers, ultimately concluding that the pair 6 and 22 is the correct answer.

What is the main topic of the video tutorial?

• Learning multiplication tables

• Solving algebraic equations

• Understanding fractions

• Identifying prime and composite numbers

What is Seth's homework task?

• To memorize multiplication tables

• To solve algebra problems

• To write factor pairs with only composite numbers

• To find prime numbers

Which of the following is a characteristic of a prime number?

• It can be divided by 10

• It has more than three factors

• It has only two factors: 1 and itself

• It is always an even number

What defines a composite number?

• It is always a prime number

• It cannot be divided by any number

• It has three or more factors

• It has only two factors

What is the prime factorization of 6?

• 2 x 3

• 1 x 6

• 3 x 3

• 2 x 2

Which factor pair of 132 contains only composite numbers?

• 2 and 66

• 3 and 44

• 11 and 12

• 6 and 22

Why is 11 considered a prime number?

• It can be divided by 5

• It is an even number

• It has more than two factors

• It can be divided by 1 and 11 only

What is the prime factorization of 22?

• 1 x 22

• 2 x 11

• 3 x 7

• 4 x 5

Which of the following numbers is not a prime number?

• 2

• 3

• 4

• 11

What is the result of multiplying 6 and 22?

• 132

• 128

• 144

• 120