GCF

- 1. What is the GCF of 18 and 24?
A) 6 B) 4 C) 9 D) 2 - 2. What is the GCF of 27 and 45?
A) 2 B) 9 C) 3 D) 5 - 3. What is the GCF of 12, 14 and 20?
A) 4 B) 8 C) 6 D) 2 - 4. Are the numbers 9 and 36 relatively prime?
A) only on Fridays. B) maybe C) yes D) no - 5. Are the numbers 37 and 42 relatively prime?
A) no B) only on Fridays. C) maybe D) yes - 6. Are the numbers 50 and 65 relatively prime?
A) maybe B) yes C) no D) only on Fridays. - 7. What is the GCF of 36x
^{2}and 45x^{4}?
A) 9x ^{2}B) 3x ^{2}C) x ^{2}D) 5x - 8. What is the GCF of 16x
^{2}y and 15y^{3}z?
A) z B) 3y C) y D) 3 - 9. What is the GCF of 2, 6, and 9?
A) 3 B) 1, relatively prime C) 6 D) 2 - 10. What does the C in GCF stand for?
A) Cut B) Cute C) Core D) Common |

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