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