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