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