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