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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