LCM
GCF
MORE LCM
MORE GCF
Factor Trees/Word Problems
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 is the LCM of 4 and 10

LCM 20

100

What is the GCF of 6 and 3

The GCF is 3

100

Write the prime factorization (multiplication problem) for 120 (use a factor tree to help you

2 x 2 x 2 x 3 x 5

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 is the LCM of 11 and 4

LCM is 44

200

What is the GCF of 21 and 12

GFC is 3

200

At the gym, Hillary swims every 6 days, runs every 4 days, and cycles every 16 days. If she did all three activities today, in how many days will she do all three activities again on the same day?

48 days

300

What is the LCM of 5 and 15

LCM is 15

300

What is the GCF of 12 and 24?

The answer is 12.

300

What is LCM of 3,5,10,1

LCM is 30

300

What is the GCF of 22 and 33

GCF IS 11

300

The local government is distributing 49 lemon seedlings, 63 tomato seedlings and 28 jackfruit seedlings equally among some aspiring fruit farmers. What is the greatest number of farmers who will be able to receive the same number of fruit seedlings? How many lemon seedlings will each farmer get?

7 farmers. 7 lemon seedlings

400

What is LCM 25 and 75

LCM IS 75

400

What is the GCF of 36 and 24?

The answer is 12.

400

What is the LCM of 6,3,9

The LCM is 18

400

What is the GCF 16 and 8

GCF is 8

400

What is the prime factorization of 200

2 x 2 x 2 x 5 x 5

500

What is the LCM of 10, 5 and 25

50

500

What is the GCF of 42 and 48?

The answer is 6.

500

What is the LCM of 2,4,5,10

The LCM is 20

500

What is GCF of 32 and 36

GCF is 4

500

Bridget has swimming lessons every fifth day and diving lessons every third day. If she had a swimming lesson and a diving lesson on May 5, when will be the next date on which she has both swimming and diving lessons?

May 20