Factors
List all of the factors of 50.
1, 2, 5, 10, 25, and 50
List 3 multiples of 50 that are less than 550.
50, 100, 150, 200, 250, 300, 350, 400, 450, 500, and 550
What is the greatest common factor of 120 and 240
120
What is the least common multiple of 30 and 100?
300
Timer 1 is set to beep every 15 minutes. Timer 2 is set to beep every 10 minutes. How many times will they beep at the same time in 150 minutes?
List all of the common factors of 20 and 50.
1, 2, 5, and 10
List 3 common multiples of 10 and 20.
20, 40, 60, 80, 100, 120, 140, 160, 180, 200, and 220
What is the greatest common factor of 20 and 35?
5
What is the least common multiple of 15 and 60?
60
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 factors of 100.
1, 2, 4, 5, 10, 20, 25, 50, and 100
List all the common multiples of 10 and 15 that are less than 100.
30, 60, and 90
What is the greatest factor of 90 and 60?
30
What is the least common multiple of 35 and 75?
525
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 factors of 75.
1, 3. 5, 15, 25, and 75
List 4 multiples of 35 greater than 40 but less than 500.
70, 105, 140, 175, 210, 245, 280, 315, 350, 385, 420, 455, and 490
What is the great common factor of 5, 255, and 550?
5
What is the least common multiple of 20 and 150?
300
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 factors of 75 and 50.
1, 5, and 75
List all the common multiples of 2 and 15 that are less than 175.
30, 60, 90, 120, and 150
What is the greatest common factor of 100 and 420?
20
What is the least common multiple of 10 and 75?
150
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