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- 1. Multiple Choice
What are the prime factors of 27?
3x3x3
3x2x3
3x3x4
- 2. Multiple Choice
Find the prime factorization of 56.
2x2x2x7
2x28
3x3x7
- 3. Multiple Choice
The prime factors of 70 are?
3 x 5 x 7
5 x 7 x 7
2 x 5 x 7
- 4. Multiple Choice
Find the prime factorization of 38.
38 = 2 x 19
38 = 5 x 6 x 8
38 = 5 x 6 x 6
- 5. Multiple Choice
Find ALL FACTORS of 24
1, 2, 12, 24
1, 2, 8, 24
1, 2, 3, 4, 5, 6, 8, 12, 24
1, 2, 3, 4, 6, 8, 12, 24
- 6. Multiple Choice
Lisa is making identical flower arrangements for wedding reception. She has 32 white roses, 24 pink roses, and 16 bunches of babies breath. She wants each arrangement to have the same number of each flower. What is the greatest number of arrangements that she can make if every flower is used?
6
2
4
8
- 7. Multiple Choice
What is the greatest common factor of 15 and 36?
6
8
4
3
- 8. Multiple Choice
Bill cut out 6 squares and 8 circles. He divided the cutouts into groups so that the same number of squares and circles were in each group. What is the greatest number of groups he could have made?
2
3
4
- 9. Multiple Choice
Every third visitor to a museum gets a free bumper sticker. Every fifth visitor to that museum gets a free key chain. Which visitor each day will be the first one to get both the bumper sticker and the key chain?
3rd
5th
15th
- 10. Multiple ChoiceThere 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?7 teams14 teams21 teams42 teams
- 11. Multiple ChoiceFind the Greatest Common Factor (GCF) of 14 & 22.12714
- 12. Multiple ChoiceFind the Greatest Common Factor (GCF) OF 32 and 64.12432
- 13. Multiple ChoiceKaren has 30 photos from a trip to Dallas and 48 photos from a trip to Austin. She wants to put all the photos in an album so that the photos from each trip are in separate sections. What is the greatest number of photos she can put on each page?18 photos6 photos240 photos
- 14. Multiple ChoiceWhat is the prime factorization of 24?3 x 83 x 2 x 2 x 24 x 62 x 2 x 3
- 15. Multiple Choice
1). Find the GCF of 15 and 40
5
120
8
None of these match my answer
- 16. Multiple Choice
2). Find the GCF of 16 and 36
144
48
4
None of these match my answer
- 17. Multiple Choice
5). Find the GCF of 39 and 26
13
1
78
None of these match my answer
- 18. Multiple Choice
6). Find the GCF of 35 and 63
7
1
175
None of these match my answer
- 19. Multiple Choice
Use a factor tree to find the prime factorization of 32
2x2x2x4
2x2x2x2x2
4x4x2
2x2x2x2x1
- 20. Multiple ChoiceUse a number tree to find the prime factorization of 424x4x36x77x3x25x4x2
- Answer choicesTagsAnswer choicesTags