### Home > CC1 > Chapter 5 > Lesson 5.3.3 > Problem 5-94

5-94.

The first four multiples of 7 are 7, 14, 21, and 28. Use this example to help you as you answer the questions below. Homework Help ✎

What are the first six multiples of 9?

The first multiple of 9 is 9(1) = 9.

The second multiple of 9 is 9(2) = 18.

The third multiple of 9 is 9(3) = ?What are the first six multiples of 12?

Follow the hint in part (a), replacing 9 with 12.

What is the least common multiple of both 9 and 12?

This is the first number that appears in both of your lists from parts (a) and (b).

36

9(4) = 36

12(3) = 36What is the greatest common factor of both 9 and 12?

Remember that something is a factor of 9 if 9 is a multiple of that number. Try making lists of factors for both 9 and 12.