GCF and LCM
  • 1. Find the GCF for 20 and 28.
A) 4
B) 16
C) 8
D) 2
  • 2. Find the LCM for 10 and 6.
A) 30
B) 20
C) 40
D) 60
  • 3. Find the GCF for 24 and 36.
A) 12
B) 8
C) 24
D) 2
  • 4. Find the LCM for 12 and 18.
A) 5
B) 36
C) 180
D) 60
  • 5. Find the LCM for 8 and 10.
A) 40
B) 20
C) 32
D) 60
  • 6. Find the LCM for 4 and 12.
A) 12
B) 48
C) 36
D) 8
  • 7. Find the LCM for 5 and 7.
A) 35
B) 45
C) 20
D) 70
  • 8. Find the GCF for 4 and 12.
A) 2
B) 4
C) 12
D) 36
  • 9. Find the LCM for 6 and 8.
A) 48
B) 12
C) 18
D) 24
  • 10. Find the GCF for 32 and 24.
A) 2
B) 6
C) 4
D) 8
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