Grade 7 Mathematics β Factors Quiz
1. Which one is a factor of 91?
2. Which pairs of factors below are of 46?
3. Which one is not a composite number?
4. Find ALL FACTORS of 24.
5. What is the GCF of 3 and 6?
6. Find the Least Common Multiple (LCM) of 3 and 4.
7. Find the Least Common Multiple (LCM) of 2, 3 and 4.
8. Find the Least Common Multiple (LCM) of 8 and 12.
9. A class is having a party for 20 students. They are buying cups in packages of 8 and napkins in packages of 12.What is the least number of packages of cups and napkins they should buy?
10. What is the least common multiple of 20 and 30?
11. What is the greatest common factor of 20 and 30?
12. During a performing arts festival, students from elementary and middle schools will be grouped together for various performances. There are 32 elementary students and 40 middle-school students. The arts director wants identical groups for the performances. What is the largest number of groups that can be formed?
13. A florist orders sunflowers every 6 days, and daisies every 4 days. How many days will pass until the next time she orders both kinds of flowers on the same day?
14. Which of these is not a factor of 12?
15. Which of these is not a multiple of 8?
16. What number is a factor of 6 but NOT a multiple of 2?
17. What are the multiples of 9?
18. Vince has 12 jars of grape jam, 16 jars of strawberry jam, and 24 jars of raspberry jam. he wants to place the jam into the greatest number of boxes possible so that each box has the same number of jars of each kind of jam. How many boxes does he need?
19. There are 14 girls and 21 boys in Mrs. Andrew's gym class. To play a certain game, the students must form teams. Each team must have the same number of boys and girls. What is the greatest number of teams Mrs. Andrews can make if every student is on a team?
20. Two clocks are turned on at the same time. One clock chimes every 15 minutes. The other clock chimes every 25 minutes. In how many minutes will they chime together?
21. The school cafeteria serves tacos every sixth day and cheeseburgers every eight day. If tacos and cheeseburgers are both on todayβs menu, how many days will it be before they are both on the menu again?
22. In word problems, what words/phrases would require me to do HCF?
23. Sara had 16 red flowers and 24 yellow flowers. She wants to make bouquets with the same number of each color flower in each bouquet. What is the greatest number of bouquets that she can make?
24. At Kentucky Fried Chicken, the kitchen staff baked 96 chicken legs and 144 thighs. The staff had to prepare platters for an office lunch. If each platter will have the same number of legs and thighs, what is the greatest number of platters they can make?
25. Peter has 18 oranges and 27 pears. He wants to make fruit baskets with the same number of each fruit in each basket. What is the greatest number of baskets he can make?
26. Shannon is making identical balloon arrangements for a party. She has 32 maroon balloons, 24 white balloons, and 16 orange balloons. She wants each arrangement to have the same number of each color. What is the greatest number of arrangements that she can make if every balloon is used?
27. At the movie theater, they give out a free drink to every 75th customer and a free bag of popcorn to every 30th customer. Who is the first customer that is going to win both free items?
28. A prime number.........
29. A composite number ......
30. One is.............
31. Which of the following is NOT prime?
32. All of these are prime except.......
33. 2 x 2 x 2 is the prime factorization of...
34. Find the prime factorization of 105.
35. What are the prime factors of 30?
36. Which of the following is a factor of 45?
Factors of 45 are numbers that divide 45 evenly. 5 is a factor because 45 divided by 5 gives a whole number result.
37. What is the highest common factor of 18 and 24?
The highest common factor of two numbers is the largest number that divides both numbers evenly. 6 is the HCF of 18 and 24 because it is the largest number that divides both 18 and 24 without a remainder.
38. What are the factors of 81?
Factors of 81 are numbers that divide 81 evenly. 3, 9, and 27 divide 81 without leaving a remainder.