GCF Test- (6th)

Find the greatest common factor of 20 and 30

• 2
• 5
• 10
• 15

Tags

CCSS.4.OA.B.4

What is the greatest common factor (GCF) of 16 and 40?

• 4
• 8
• 2
• 10

Tags

CCSS.6.NS.B.4

What is the greatest common factor (GCF) of 12 and 28?

• 3
• 6
• 2
• 4

Tags

CCSS.6.NS.B.4

GCF stands for...

• great calculator festival
• giant circumference fact
• grouped calculation finder
• greatest common factor

Tags

CCSS.6.NS.B.4

Which of the numbers below is a multiples of 3?

• 7

• 8

• 16

• 24

Tags

CCSS.4.OA.B.4

Prime numbers have:

• Exactly 2 factors
• 2 pairs of factors
• More than 2 factors
• 1 factor

Tags

CCSS.4.OA.B.4

27 is a ___________________ number.

• prime

• composite

Tags

CCSS.4.OA.B.4

Find the GCF of 64 and 144

• 8
• 6
• 16
• 2

Tags

CCSS.6.NS.B.4

Which number is NOT prime?

• 3
• 7
• 17
• 21

Tags

CCSS.4.OA.B.4

Composite numbers have

• no factors.

• one factor.

• two factors.

• three or more factors.

Tags

CCSS.4.OA.B.4