GCF or LCM

At the gym, Hillary swims every 6 days, runs every 4 days, and cycles every 8 days. If she did all three today, in how many days will she do all three again on the same day?

• GCF

• LCM

Oscar needs to ship 14 rock records, 12 classical records, and 8 pop records. If each box must have the same number of each record and each box must be identical, what is the greatest number of boxes he can pack?

• GCF

• LCM

The movie theater is offering a deal on Friday. Every 12th customer will receive a free movie and every 15th customer will receive a free popcorn. What customer will be the first to receive both a free movie ticket and a free small popcorn?

• GCF

• LCM

Dana watered all the flowers at a business park. While watering, she noticed the daisies had been planted in groups of 10 and the lilies had been planted in groups of 5. If Dana watered the same number of each flower, what is the minimum number of each that she must have watered?

• GCF

• LCM

Abe is going to plant 54 oak trees and 27 pine trees.

Abe would like to plant the trees in rows that all have the same number of trees and are made up of only one type of tree. What is the greatest number of trees Abe can have in each row?

• GCF

• LCM