Factors and GCF

Which set of numbers shows ALL the factors of 15?

• 7, 8
• 1, 15
• 1, 3, 5, 15
• 3, 5, 15

Tags

CCSS.4.OA.B.4

Which set of numbers shows ALL the factors of 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 7, 8, 12 ,24

Tags

CCSS.4.OA.B.4

Which number is a factor of 6?

• 12
• 2
• 8
• 10

Tags

CCSS.4.OA.B.4

Which number is NOT a factor of 24?

• 6
• 8
• 3
• 14

Tags

CCSS.4.OA.B.4

Which number is a factor of both 6 and 15?

• 9
• 5
• 6
• 3

Tags

CCSS.4.OA.B.4

Is 1 a factor of 12?

• Yes
• No

Tags

CCSS.4.OA.B.4

Is 5 a factor of 80?

• Yes
• No

Tags

CCSS.4.OA.B.4

Is 12 a factor of 3?

• Yes
• No

Tags

CCSS.4.OA.B.4

What is the GCF(6, 9)

• 1
• 3
• 6
• 9

What is the GCF(8, 16)

• 2
• 4
• 8
• 16