Prime Factorization Concepts

The video tutorial explains prime factorization using a factor tree. It demonstrates the process by finding the prime factors of 65 and 165. For 65, the prime factors are 5 and 13, while for 165, they are 3, 5, and 11. The video concludes with a reminder to subscribe for daily math and science content.

What is the purpose of prime factorization?

• To divide numbers into even and odd

• To convert numbers into fractions

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

• To find the sum of prime numbers

Which two prime numbers multiply to give 65?

• 3 and 22

• 11 and 6

• 5 and 13

• 7 and 9

What is the first step in finding the prime factors of 165?

• Multiply by 10

• Subtract 5

• Start with 3 times 55

• Divide by 2

Which of the following is a prime factor of 165?

• 11

• 6

• 4

• 14

What are the complete prime factors of 165?

• 3, 5, 11

• 5, 7, 13

• 2, 3, 5

• 3, 7, 9