Least Common Multiple (LCM)
LCM of 7 and 11.
What is 77?
What is 2?
These numbers have only two factors.
What is prime?
Find the first five multiples of 8.
What is 8, 16, 24, 32, and 40?
LCM of 8 and 20.
What is 40?
GCF of 21 and 49.
What is 7?
Find all the factors of 64.
What is 1, 2, 4, 8, 16, 32, and 64?
Find the first ten multiples of 6.
What is 6, 12, 18, 24, 30, 36, 42, 48, 54, 60?
LCM of 9 and 12.
What is 36?
GCF of 8, 12, 20.
What is 4?
Find all the factors that 108 and 48 have in common.
What is 1, 2, 3, 4, 6, and 12?
A multiple of 5 and 2 which is two more than the third multiple of 6.
What is 20?
LCM of 3, 2, 9.
What is 18?
What is 11?
Find the prime factors of 84.
What is 2, 2, 7, and 3?
There are 12 eggs in a carton and 10 bagels in a pack. Find the number of egg sandwiches we can make so there are no leftover eggs or bagels.
LCM of 3, 16, 8.
What is 48?
GCF of 18, 36, 54.
What is 18?
Destiny has 18 chocolate bars and 12 cookies. She wants to use all of the chocolate candy bars and cookies to make identical snack bags for her cousins.
What is the greatest number of snack bags that Destiny can make?
What is 6 bags?
At the gym, Hillary swims every 6 days, runs every 4 days, and cycles every 16 days. If she did all three activities today, find out how many days will she do all three activities again on the same day.
What is 48 days?