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