Greatest Common Factor & Least Common Multiple

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and identify the largest factor they have in common.

Front

What is the Least Common Multiple (LCM)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and identify the smallest multiple they have in common.

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

What are multiples?

Back

Multiples are the result of multiplying a number by an integer.

Front

List all the factors of 12.

Back

1, 2, 3, 4, 6, 12

Front

List the first five multiples of 7.

Back

7, 14, 21, 28, 35

Front

What is the GCF of 35 and 42?

Back

7

Front

What is the GCF of 10 and 21?

Back

1