Understanding Factors, Prime Factorization, and Multiples of 28

This video tutorial covers the concepts of factors, prime factorization, and multiples using the number 28. It begins with an introduction to finding factors, followed by a detailed explanation of how to determine all factors of 28. The video then demonstrates creating a factor tree to find the prime factors of 28, which are 2 and 7. Next, it lists the multiples of 28 up to 280. The tutorial concludes with a call to action, encouraging viewers to subscribe for more math and science content.

Which of the following is a factor of 28?

• 3

• 5

• 9

• 7

What is the correct pair of numbers that multiply to give 28?

• 5 and 6

• 3 and 9

• 4 and 7

• 2 and 10

What is the prime factorization of 28?

• 4 x 7

• 3 x 9

• 2 x 2 x 7

• 2 x 14

Which of the following is a prime factor of 28?

• 7

• 6

• 9

• 4

What is the second multiple of 28?

• 28

• 112

• 56

• 84

Which number is not a multiple of 28?

• 100

• 112

• 84

• 56

What is the fifth multiple of 28?

• 196

• 112

• 140

• 168