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