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MA.07.01.13 (2)
供稿人: SBS Math
  • 1. Is 11 prime or composite?
A) Prime
B) Composite
  • 2. Is 7 Prime or composite?
A) Composite
B) Prime
  • 3. Is 6 prime or composite?
A) Composite
B) Prime
  • 4. Is 8 prime or composite?
A) Prime
B) Composite
  • 5. What are the prime factors (prime factorization) of 24?
A) 2X2X3X4
B) 5X2X4
C) 12X2
D) 3X2X2X2
  • 6. What is the prime factorization of 18?
A) 2X3X4
B) 3X3X2
C) 6X3
D) 2X2
  • 7. What set of numbers is a list of factors of 15?
A) 1, 2, 3, 5, 6, 7, 15
B) 2, 4, 6, 8, 10, 12, 14
C) 3, 5
D) 1, 3, 5, 15
  • 8. Which set of numbers is a list of factors of 20?
A) 1, 3, 5, 7, 9, 11, 13, 15, 17, 19
B) 1, 2, 4, 5, 10, 20
C) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 17, 19, 20
D) 4, 5
  • 9. What is the prime factorization of 9?
A) 3X3
B) 2X2
C) 1X9
  • 10. Which set of numbers is a list of factors of 25?
A) 1, 2, 4, 25
B) 5, 5
C) 1, 5, 25
D) 5, 5
E) 1, 25
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Ma.07.01.13 (1)
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