Factors
List all of the prime factors of 32.
2 x 2 x 2 x 2 x 2
List the first 5 multiples of 8.
8, 16, 24, 32, 40
What is the greatest common factor of 12 and 15
3
What is the least common multiple of 3 and 7?
21
Timer 1 is set to beep every 8 minutes. Timer 2 is set to beep every 6 minutes. How many minutes will it be when they beep at the same time?
24 minutes
List all of the common prime factors of 12 and 20.
2 x 2
List the first two common multiples of 2 and 6.
6 and 12
What is the greatest common factor of 24 and 20?
4
What is the least common multiple of 4 and 9?
36
You bring snacks for your basketball team every fifth game. Every third game is a home game. When will be the first time that you bring snacks to a home game?
15th game
List all of the prime factors of 42.
2 x 3 x 7
List the first two common multiples of 6 and 8
24 and 48
What is the greatest factor of 16 and 36?
4
What is the least common multiple of 2, 3, and 5?
30
Sarah is making bead necklaces. She has 60 blue beads and 72 green beads. What is the greatest number of identical necklaces she can make if she wants to use all the beads?
6
List all of the prime factors of 52.
2 x 2 x 13
List the first 7 multiples of 4.
4, 8, 12, 16, 20, 24, 28
What is the great common factor of 50, 35, and 15?
5
What is the least common multiple of 20 and 12?
60
Three pigs entered a race around a track. Piggly takes 12 minutes to run one lap. Piglet takes 6 minutes to run one lap and it takes Wiggly 16 minutes to run one lap. If all three pigs begin the race at the same time, how many minutes will it take for all three pigs to be at the starting point again?
48 minutes
List all of the common prime factors of 24 and 36.
2 x 2 x 3
List the first two common multiples of 12 and 18
36 and 72
What is the greatest common factor of 64 and 80?
16
What is the least common multiple of 21 and 24?
168
Johnny baked 36 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for his teacher friends at school. He wants to divide the cookies into identical containers so that each container has the same number of each kind of cookie. If he wants each container to have the greatest number of cookies possible, how many plastic containers does he need?
12 plastic containers