Find Common Factors

The largest factor that two or more numbers or algebraic terms have in common.

• Greatest Common Factor

• Least Common Multiple

• Greatest Common Multiple

GCF of 8 and 20

• 8

• 2

• 4

• 10

The common factors of 6 and 8 are ....

• 1, 2, 3, 4

• 1, 2

• 1, 2, 3

• 1, 3

Tags

CCSS.4.OA.B.4

The common factors of 15 and 20 are ....

• 1 & 5

• 1 & 4

• 2 & 5

• 3 & 5

Tags

CCSS.4.OA.B.4

What are the factors of 12?

• 1,2,3,6,12

• 2,3,4,6,12

• 1,2,3,4,6,12

• 1,2,3,4,6

Tags

CCSS.4.OA.B.4

What is the greatest common factor of 4 and 16?

• 4

• 2

• 1

• 16

GCF 15 and 36

• 8

• 6

• 3

• 4

GCF of 50 and 100

• 10

• 25

• 50

• 5

GCF of 18 and 24

• 2

• 3

• 4

• 6

What is the GCF of 18 and 45?

• 3

• 12

• 9

• 6