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