Factors and Prime Factorization of 63

The video tutorial explains how to find the factors of 63 by starting with 1 and the number itself, then checking divisibility by numbers in between. It identifies the factors as 1, 3, 7, 9, 21, and 63. The tutorial then demonstrates the prime factorization of 63, showing it as 3 squared times 7. The video concludes with a summary and encourages viewers to subscribe for more math and science content.

What is the first step in finding the factors of a number like 63?

• Start with 3 and the number itself

• Start with 2 and the number itself

• Start with 1 and the number itself

• Start with 0 and the number itself

Which of the following numbers is a factor of 63?

• 5

• 7

• 4

• 6

Which number is not a factor of 63?

• 8

• 3

• 21

• 9

What is the prime factorization of 63?

• 3 x 3 x 3

• 3 x 7 x 7

• 7 x 7 x 7

• 3 x 3 x 7

Which of the following is a prime factor of 63?

• 6

• 4

• 5

• 7

How many times does 3 appear in the prime factorization of 63?

• Once

• Twice

• Three times

• Four times