Prime Factorization and Factor Trees

The video tutorial explains the process of prime factorization using factor trees. It demonstrates the prime factorization of the numbers 112 and 84. For 112, the factorization is shown as 2^4 times 7, and for 84, it is 2^2 times 3 times 7. The video concludes with a reminder to subscribe for more math and science content.

What is the first step in the factor tree for 112?

• Divide by 5

• Divide by 2

• Divide by 7

• Divide by 3

Which number is not a prime factor of 112?

• 3

• None of the above

• 7

• 2

How many times does the number 2 appear in the prime factorization of 112?

• Three times

• Two times

• Five times

• Four times

What is the first step in the factor tree for 84?

• Divide by 7

• Divide by 2

• Divide by 5

• Divide by 3

Which of the following is a prime factor of 84?

• 6

• 8

• 5

• 3

What is the complete prime factorization of 84?

• 2^2 x 3 x 7

• 2 x 3 x 5

• 2^3 x 7

• 2 x 3^2 x 7