- 2. Prime or composite 144
A) prime B) composite
- 3. What is a prime factor of 10
A) 10 B) 2 C) 5 D) 6
- 4. What is a prime factor of 11
A) 5 B) 2 C) 3 D) 11
- 5. What is a prime factor of 100
A) 25 B) 50 C) 4 D) 2
- 6. What is a prime factor of 6
A) 5 B) 3 C) 4 D) 6
- 7. What is 24 in prime factor form
A) 12x2 B) 2x2x2x3 C) 2x4x2 D) 1x24
- 8. What is 10 in prime factor form
A) 10x2 B) 2x5x2 C) 2x5 D) 2x2x5
- 9. What is 36 in prime factor form
A) 2x2x3x3 B) 4x9 C) 6x6 D) 12x3
- 10. What is 81 in prime factor form
A) 3x2x9 B) 9x9 C) 27x3 D) 3x3x3x3
- 11. What is the GCF of 15,5
A) 5 B) 10 C) 15 D) 3
- 12. What is the GCF of 24,18
A) 8 B) 3 C) 2 D) 6
- 13. What is the GCF of 36,9
A) 9 B) 18 C) 3 D) 12
- 14. What is the GCF of 54,81
A) 27 B) 7 C) 9 D) 3
- 15. What is the GCF of 55,25
A) 15 B) 5 C) 10 D) 20
- 16. What is the LCM of 5,15
- 17. What is the LCM of 6,9
- 18. What is the LCM of 8,12
- 19. What is the LCM of 3,4
- 20. What is the LCM of 4,6
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