Greatest common factor

Front

What is the greatest common factor (GCF)?

Back

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

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What are the factors of 10?

Back

1, 2, 5, 10

Front

What is the GCF of 8 and 10?

Back

2

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 27 and 70?

Back

1 (since they have no common factors other than 1)

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 GCF of 12 and 15?

Back

3

Front

What is the GCF of 30 and 45?

Back

15

Front

What is the GCF of 14 and 28?

Back

14