- 1. What is the GCF of 8, 12, and 30?
A) 1 B) 2 C) 4 D) 6
- 2. What is the GCF of 18 and 72?
A) 72 B) 1 C) 2 D) 18
- 3. What is the GCF of 20 and 320?
A) 20 B) 1 C) 10 D) 5
- 4. What is the GCF of 4, 5, and 9?
A) 1 B) 2 C) 180 D) 9
- 5. What is the LCM of 7 and 11?
A) 11 B) 18 C) 7 D) 77
- 6. What is the LCM of 8 and 24?
A) 24 B) 8 C) 172 D) 48
- 7. What is the LCM of 2, 4, and 10?
A) 160 B) 40 C) 80 D) 20
- 8. What is the LCM of 6, 9, and 12?
A) 3 B) 36 C) 54 D) 72
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