- 1. Choose the Greatest Common Factor (GCF) of: 18, 36
A) 3
B) 2
C) 6
D) 18
- 2. Choose the Greatest Common Factor (GCF) of: 42, 84
A) 2
B) 42
C) 3
D) 6
- 3. Choose the Greatest Common Factor (GCF) of: 16, 64
A) 24
B) 2
C) 16
D) 8
- 4. Choose the Greatest Common Factor (GCF) of: 17, 51
A) 2
B) none
C) 17
D) 3
- 5. Choose the Greatest Common Factor (GCF) of: 25, 75
A) 15
B) 5
C) 3
D) 25
- 6. Choose the Greatest Common Factor (GCF) of: 23, 69
A) 7
B) 23
C) none
D) 13
- 7. Choose the Greatest Common Factor (GCF) of: 45, 105
A) 3
B) none
C) 6
D) 5
- 8. Choose the Greatest Common Factor (GCF) of: 42, 63
A) 21
B) 9
C) 3
D) 7
- 9. Choose the Greatest Common Factor (GCF) of: 100, 150
A) none
B) 5
C) 50
D) 25
- 10. Choose the Greatest Common Factor (GCF) of: 12, 96
A) 12
B) none
C) 4
D) 3
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