Greatest Common Factors

Front

List the factors of 12 & 20, then identify the greatest common factor.
12-
20-
GCF=

Back

12-1, 2, 3, 4, 6, 12; 20-1, 2, 4, 5, 10, 20; GCF 4

Front

What is the greatest common factor of 10 and 25?

Back

5

Front

What is the greatest common factor of 4 and 8?

Back

4

Front

What are the factors of 16 and 24?

Back

16-1, 2, 4, 8, 16
24-1, 2, 3, 4, 6, 8, 12, 24

Front

Which is a factor of 15? Options: 2, 3, 4, 6

Back

3

Front

What is the GCF of 8 and 10?

Back

2

Front

Find the greatest common factor of 20 and 30

Back

10

Front

Find the greatest common factor of 24 and 48

Back

24

Front

GCF of 18 and 45?

Back

9

Front

The GCF of 24, 36, and 72 is...

Back

24