Factors and Prime Factors of 99 and 100

The video tutorial explains how to find the factors and prime factors of the numbers 99 and 100. It begins by identifying the factors of 99, showing that it is a composite number with factors such as 1, 3, 9, 11, 33, and 99. The tutorial then demonstrates how to create a factor tree to find the prime factors of 99, which are 3 squared and 11. Next, the video explores the factors of 100, listing them as 1, 2, 4, 5, 10, 20, 25, 50, and 100. A factor tree is used to determine the prime factors of 100, which are 2 squared and 5 squared. The video concludes with a summary and encourages viewers to subscribe for more math and science content.

What is a composite number?

• A number that is less than 10

• A number that can be divided by numbers other than 1 and itself

• A number with only two factors: 1 and itself

• A number that is a multiple of 10

Which of the following is a factor pair of 99?

• 1 and 100

• 3 and 33

• 10 and 10

• 5 and 20

What are the prime factors of 99?

• 2, 5, and 10

• 3, 3, and 11

• 1, 9, and 11

• 4, 25, and 100

How can the prime factors of 99 be expressed using exponents?

• 2 squared times 5 squared

• 5 squared times 2

• 3 squared times 11

• 11 squared times 3

What is the result of multiplying all the prime factors of 99?

• 11

• 33

• 100

• 99

Which of the following is NOT a factor of 100?

• 4

• 25

• 30

• 50

What is the factor pair of 100 that includes the number 10?

• 2 and 50

• 5 and 20

• 10 and 10

• 4 and 25

What are the prime factors of 100?

• 2, 2, 5, and 5

• 1, 10, and 10

• 4, 25, and 100

• 3, 3, and 11

Which of the following numbers is a prime factor of 100?

• 11

• 9

• 5

• 3

What is the result of multiplying all the prime factors of 100?

• 25

• 100

• 10

• 50