Prime Factorization Concepts

The video tutorial from Moomoomath and Science explains the concept of prime factorization, which involves breaking down numbers into their prime components. The tutorial demonstrates this process using factor trees for the numbers 42 and 60. For 42, the prime factors are 2, 7, and 3, while for 60, they are 2, 2, 3, and 5. The video concludes with a reminder to subscribe for daily math and science content.

What is the purpose of prime factorization?

• To find the sum of all factors of a number

• To identify the largest factor of a number

• To divide a number into even parts

• To determine which prime numbers multiply to form the original number

Which of the following is a prime factor of 42?

• 9

• 4

• 7

• 6

What is the prime factorization of 42?

• 2 x 3 x 5

• 2 x 7 x 3

• 3 x 3 x 7

• 2 x 2 x 11

Which pair of numbers is used to start the factor tree for 60?

• 3 and 20

• 5 and 12

• 6 and 10

• 4 and 15

What is the prime factorization of 60?

• 2 x 2 x 2 x 5

• 2 x 3 x 3 x 5

• 2 x 2 x 3 x 5

• 3 x 3 x 3 x 5

Which of the following is not a prime factor of 60?

• 2

• 4

• 5

• 3