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