Chapter 4.1-4.4 review
  • 1. What is the prime factorization of 72?
A) 2x2x2x3x3
B) 2x3x2x3x2
C) 2x2x3x3
D) 2x3x3x3
  • 2. What is the prime factorization of 65?
A) 13x1x5
B) 13x5
C) 5x13
D) 1x5x13
  • 3. What is the prime factorization of 153?
A) 3x3x17
B) 2x3x17
C) 17x33
D) 17x3x3
  • 4. What is the prime factorization of 196?
A) 7x7x7x7
B) 1x2x2x7x7
C) 2x7x2x7
D) 2x2x7x7
  • 5. Factor the monomial 25pq.
A) 1x25pq
B) 4x5xpxq
C) 5x5xpxq
D) pxq
  • 6. Factor the monomial 7a3.
A) 7xaxa
B) 7xaxaxa
C) 7xaxaxaxa
D) 1x7xaxaxa
  • 7. Factor the monomial 22yz2.
A) 2x2x2xyxzxz
B) 22xyxz
C) 1x2x11xyxz
D) 2x11xyxzxz
  • 8. Factor the monomial 54s2t.
A) sxsxt
B) 2x3x3x3xsxsxt
C) 2x2x3x3xsxsxt
D) 2x3x3x3
  • 9. What is the GCF of 45 & 75?
A) 5
B) 15
C) 10
D) x
  • 10. What is the GCF of 108 &162?
A) 54
B) 2
C) 8
D) 4
  • 11. What is the GCF of 6bc &35abc2?
A) 3
B) c
C) 5
D) bc
  • 12. What is the GCF of 21mn & 9km2?
A) 7m
B) 3n
C) 3mn
D) 3m
  • 13. Write the fraction in simplest form 32/64.
A) 8/16
B) 1/2
C) 4/8
D) 2/4
  • 14. Write the fraction in simplest form -15/39.
A) relatively prime
B) -1
C) 5/13
D) -5/13
  • 15. Write the fraction in simplest form 17/51.
A) 2/6
B) relatively prime
C) 3/9
D) 1/3
  • 16. Write the fraction in simplest form 10x/45xy.
A) 5/15y
B) 2/9y
C) 2/9
D) 2y/9y
  • 17. Write the fraction in simplest form -6ab/4bc.
A) -3/2
B) -3a/2
C) 3/2
D) -3a/2c
  • 18. Find the LCM of 20, 40, and 80.
A) 20
B) 40
C) 160
D) 80
  • 19. Find the LCM of 4x & 18xy2
A) 36xy2
B) 36x
C) 36xy
D) 4x
  • 20. Find the LCM of 5ab2 and 3bc2.
A) -15ab2c2
B) 15ab2c2
C) 15b2
D) 5abc
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