LCM and GCF

GCF stands for 

• Greatest common factor
• Greatest common fraction
• Giant cat fingernail 
• Greatest calculated factor

multiples for the number 3 include..

• 4,8,12,16,18,21
• 3,5,7,9,10,12
• 3,4,5,6,7,8
• 3,6,9,12,15,18

what is the LCM of the numbers 2 and 3

• 3
• 2
• 4
• 6

what is the GCF of 12 and 6?

• 6
• 2
• 4
• 1

What is the LCM (Least Common Multiple) of 4 and 10?

• 4

• 40

• 15

• 20

 Find the GCF of each set of numbers. 
12, 30 

• 4
• 2
• 5
• 6

Which of these is a factor of 10?

• 2

• 4

• 20

Tags

CCSS.4.OA.B.4

Which is not a factor of 12?

• 3

• 6

• 24

Tags

CCSS.4.OA.B.4

Which pair of numbers has a GCF of 6?

• 3 and 18

• 6 and 12

• 12 and 24

Select all the numbers that are factors of 15.

• 1

• 2

• 3

• 6

Tags

CCSS.4.OA.B.4