GCF, LCM, Prime, Composite

Find the prime number.

• 10
• 9
• 7
• 4

Tags

CCSS.4.OA.B.4

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

Tags

CCSS.4.OA.B.4

Which list is only composite numbers?

• 1, 3, 4
• 2, 4, 6
• 4, 6, 8
• 5, 6, 8

Tags

CCSS.4.OA.B.4

GCF of 99 and 54

• 9
• 3
• 6
• 8

Tags

CCSS.6.NS.B.4

What is the LCM of 3 and 6? 

• 3
• 6
• 12
• 15

Tags

CCSS.6.NS.B.4

Which list of numbers contains only common multiples of 4 and 12?

• 12, 16, 20, 24, 28
• 12, 24, 36, 48, 60
• 4, 8, 12, 16, 20
• 8, 12, 16, 20, 24

Tags

CCSS.6.NS.B.4

What is the least common multiple of 4 and 5?

• 40
• 60
• 1
• 20

Tags

CCSS.6.NS.B.4

What is the GCF and LCM of 12 and 18?

• 6 and 18

• 6 and 36

• 12 and 36

• 3 and 36

Tags

CCSS.6.NS.B.4

What is the GCF and LCM 9 and 15?

• 3 and 15

• 9 and 3

• 45 and 3

• 3 and 45

Tags

CCSS.6.NS.B.4

What is the least common multiple of 5 and 9? 

• 45
• 40 
• 20 
• 50 

Tags

CCSS.6.NS.B.4