Burton GCF, LCM and Prime Factorization

What is the Greatest Common Factor (GCF) of 8 and 32?

• 8
• 2
• 4
• 16

Tags

CCSS.6.NS.B.4

What is the Prime Factorization of 128?

• 
  

  $7^2$

• $2^7$
  

• $32\times4$

• $16\times8$

Find the LCM of 18 and 24

• 6
• 72
• 24
• 5

Tags

CCSS.6.NS.B.4

All of these are prime except

• 3
• 9
• 2
• 13

Tags

CCSS.4.OA.B.4

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

• 4
• 40
• 15
• 20

Tags

CCSS.6.NS.B.4

Two faucets are dripping. One faucet drips every 4 seconds and the other faucet drips every 9 seconds. If a drop of water falls from both faucets at the same time, how many seconds will it be before you see the faucets drip at the same time?

• 18 seconds
• 36 seconds
• 72 seconds
• 1 second

Tags

CCSS.6.NS.B.4

Mr. Thompson's class was competing in field day. There were 16 students wearing blue shirts and 12 students wearing red shirts. He divided the class into the greatest number of teams possible with the same number of of blue and red shirts on each team. How many students with each color shirt are on each team?

• 3 red, 4 blue
• 4 red, 3 blue
• 4 teams
• 48 teams

Tags

CCSS.6.NS.B.4

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Alicia is thinking of a number for her friends to guess. She tells them the number is the least common multiple of 4 and 6. Which number is Alicia thinking of? 

• 2
• 12
• 24
• 36

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

LCM stands for...

• lowest common multiplier
• least common multiple
• longer calculator math
• longest code maker

Tags

CCSS.6.NS.B.4