GCF, LCM, Prime Factorization

- 1. What is the GCF of 8, 12, and 30?
A) 2 B) 4 C) 6 D) 1 - 2. What is the GCF of 18 and 72?
A) 18 B) 72 C) 2 D) 1 - 3. What is the GCF of 20 and 320?
A) 1 B) 20 C) 10 D) 5 - 4. What is the GCF of 4, 5, and 9?
A) 1 B) 9 C) 180 D) 2 - 5. What is the LCM of 7 and 11?
A) 77 B) 11 C) 7 D) 18 - 6. What is the LCM of 8 and 24?
A) 48 B) 24 C) 8 D) 172 - 7. What is the LCM of 2, 4, and 10?
A) 40 B) 20 C) 80 D) 160 - 8. What is the LCM of 6, 9, and 12?
A) 3 B) 72 C) 36 D) 54 |

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