GCF and LCM

Is 7 a prime or composite number?

• prime

• composite

Tags

CCSS.4.OA.B.4

Which of the choices is a factor of 10?

• 2
• 4
• 6
• 8

Tags

CCSS.4.OA.B.4

Which choice shows a multiple of 8?

• 8
• 4
• 2
• 1

Tags

CCSS.4.OA.B.4

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

Find the LCM of 18 and 24

• 12

• 72

• 432

• 2

Find the GCF of 12 and 6

• 6

• 12

• 2

• 1

Find the LCM of 12 and 6

• 6

• 12

• 2

• 1

use the prime factors and the Venn diagram to identify the two numbers that are being used in the diagram?

• 120, 180

• 14, 15

• 24, 36

• 40, 60

Tags

CCSS.4.OA.B.4

Use the prime factors and the Venn diagram to find the GCF

• 360

• 12

• 6

• 60

Use the prime factors and the Venn diagram to find the LCM

• 360

• 12

• 6

• 60