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Factors
Prime Factorization
GCF
LCM
Word prolems
100
The factors of 12.
What is 1, 2, 3, 4, 6, and 12?
100
The prime factorization of 78.
What is 2 x 3 x 13?
100
The GCF of 6 and 15.
What is 3?
100
The LCM of 12 and 15.
What is 60?
100

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?

In 48 days

200
The factors of 22.
What is 1, 2, 11, and 22?
200
The prime factorization of 144.
What is 2 x 2 x 2 x 2 x 3 x 3?
200
The GCF of 18 and 27.
What is 9?
200
The LCM of 18 and 27.
What is 9?
200

Oscar needs to ship 14 rock CDs, 12 classical CDs, and 8 pop CDs. He can pack only one type of CD in each box, and he must pack the same number of CDs in each box. What is the greatest number of CDs Oscar can pack in each box?

He can pack 2 CDs in each box.

300
The factors of 29.
What is 1 and 29?
300
The prime factorization of 96.
What is 2 x 2 x 2 x 2 x 2 x 3?
300
The GCF of 26 and 65.
What is 13?
300
The LCM of 16 and 32.
What is 32?
300

Cups are sold 6 to a package and plates are sold 8 to a package. If you want to have the same number of each item for a party, what is the least number of packages of each you need to buy?

He needs to buy at least 24 of each, so 4 packages of cups and 3 packages of plates.

400
The factors of 48.
What is 1, 2, 3, 4, 6, 8, 12, 16, 24, and 28?
400
The prime factorization 95.
What is 5 X 19?
400
The GCF of 60 and 25.
What is 5?
400
The LCM of 25 and 40.
What is 200?
400

A full moon occurs every 30 days. If the last full moon occurred on a Friday, how many days will pass before a full moon occurs again on a Friday?

It will take 210 days.

500
The factors of 100.
What is 1, 2, 4, 5, 10, 20, 25, 50, and 100?
500
The prime factorization of 156.
What is 2 x 2 x 3 x 13?
500
The GCF of 64, 84, and 120.
What is 4?
500
The LCM of 15, 22, and 30.
What is 330?
500

I want to plant 45 sunflower plants, 81 corn plants and 63 tomato plants in my garden. If I put the same number of plants in each row and each row has only one type of plant, what is the greatest number of plants I can put in one row?

I can put 9 in each row.