gcf and lcm

What is the least common multiple (LCM) of 5 and 20?

• 4
• 5
• 20
• 100

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 6 and 8?

• 6
• 8
• 48
• 24

Tags

CCSS.6.NS.B.4

GCF of 28 and 40

• 2
• 4
• 7
• 8

Is 35 prime or composite?

• prime
• composite

Tags

CCSS.4.OA.B.4

Find the Greatest Common Factor (GCF) of 14 & 22.

• 1

• 2

• 7

• 14

Tags

CCSS.6.NS.B.4

Find the Greatest Common Factor (GCF) of 60 and 75

• 1
• 3
• 5
• 15

Tags

CCSS.6.NS.B.4

Find the Least Common Multiple (LCM) of 4 & 14.

• 14
• 20
• 28
• 42

Tags

CCSS.6.NS.B.4

GCF of 28 and 40

• 2
• 4
• 7
• 8

List all the factors of 12

• 1, 2, 3, 4, 6, 12
• 1, 2, 4, 12
• 1, 12
• 1, 2, 3, 4, 5, 6, 12