GCF/LCM & Word Problems

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, list the multiples of each number and find the smallest multiple that appears in both lists.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) of two or more numbers is the largest number that divides each of the numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor that appears in both lists.

Front

What is the LCM of 4 and 10?

Back

20

Front

What is the GCF of 32 and 40?

Back

8

Front

If two clocks chime every 15 minutes and 25 minutes, when will they chime together?

Back

75 minutes

Front

Find the LCM of 8 and 12.

Back

24

Front

Find the LCM of 5, 10, and 15.

Back

30

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.