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