Factors and GCF

GCF 24 and 36

• 8

• 6

• 12

• 4

Tags

CCSS.6.NS.B.4

GCF of 32 and 40

• 2

• 4

• 6

• 8

Tags

CCSS.6.NS.B.4

GCF of 16 and 18

• 4

• 2

• 6

• 8

Tags

CCSS.6.NS.B.4

What is the greatest factor of 28 and 49?

• 1

• 2

• 7

• 12

Tags

CCSS.7.EE.A.1

What is the GCF of 20 and 30?

• 5

• 2

• 10

• 20

Tags

CCSS.6.NS.B.4

A prime number

• has one factor

• has more than 2 factors

• has 100 factors

• has exactly 2 factors: 1 and the number

All of these are prime except

• 3

• 9

• 2

• 13

Tags

CCSS.4.OA.B.4

A composite number

• has more than 2 factors

• has one factor

• has at least 10 factors

• is always a really big number

Tags

CCSS.4.OA.B.4

2 x 2 x 2 is the prime factorization of

• 6

• 12

• 22

• 8

Tags

CCSS.6.EE.A.1

What are the prime factors of 30? 

• 3, 2, 5 

• 1, 2, 3, 5, 6, 15, 30

• 3, 30

• 10, 3