LCM
GCF
Multiples
Factors
GCF & LCM Mixed
100

What is the LCM of 6 and 12

The LCM is 12

100

what is the GCF of 22 and 11

GCF is 11

100

What are the first 5 multiples of  10

10, 20, 30, 40, 50

100

What are the factors of 4 

1,4,2

100

Rewrite 8/28 in simplest form. 

2/7

200

What is the LCM 2 and 9

The LCM is 18

200

What is the GCF of 8 and 12

GCF is 4

200

what are the first 5 multiples of 12

12, 24, 36, 48, 60

200

What are the factors of 24

1,24,2, 12, 3,8

200

Penelope is organizing the teacher-student relay race. The teams must be divided evenly, with no participants left out. If there are 56 students registered and 21 teachers, what is the greatest number of teacher-student teams that will be able to participate in the relay race?

GCF:7

300

What is the LCM of 5 and 12

LCM is 60

300

What is the GCF of 12 and 24?

The answer is 12.

300

What are the first 6 multiples of and 9

9, 18, 27, 36, 45, 54, 63, 72,81

300

What are the common factors of 36 and 12

1,2,3,4,6, and 12

300

Jasmine and Tia are running a race. Jasmine runs at a rate of 4 minutes per lap and Tia runs at a rate of 6 minutes per lap. If they both start running at the same time, after how many minutes will they both be at the starting line at the same time again?

12 minutes

400

What is LCM 10 and 12

LCM IS 60

400

What is the GCF of 36 and 24?

The answer is 12.

400

What is the LCM of 21,3,7

The LCM is 21

400

What are the common factors of 11 and 121

1, 11

400

Lin’s uncle is opening a bakery. On the bakery’s grand opening day, he plans to give away prizes to the first 50 customers that enter the shop. Every 9th customer will get a free blueberry muffin. Every 12th customer will get a free slice of carrot cake. Which customer will get both free bakery items?

36th customer

500

What is the LCM of 10 and 25

50

500

What is the GCF of 42 and 48?

The answer is 6.

500

What is the LCM of 135 and 5

The LCM is 135

500

What is the GCF of 200 and 45

GCF is 5

500

Rewrite  52/104  in simplest form. 



1/2

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