Greatest Common Factor (GCF)
  • 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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