LCM and GCF
Contributed by: Henry

  • 1. A factor is a number that can divide into another number with no remainder
A) true
B) false
  • 2. A multiple must be greater than or equal to the largest starting number.
A) false
B) true
  • 3. Find the GCF for 40 and 48
A) 2
B) 4
C) 16
D) 8
  • 4. Find the LCM for 3 and 11
A) 44
B) 22
C) 33
D) 11
  • 5. Find the GCF for 24 and 48
A) 2
B) 12
C) 24
D) 8
  • 6. Find the LCM for 8 and 10
A) 20
B) 40
C) 60
D) 32
  • 7. FInd the GCF for 22 and 96
A) 8
B) 4
C) 2
D) 6
  • 8. Find the LCM for 4 and 12
A) 36
B) 8
C) 12
D) 48
  • 9. Find the GCF for 12 and 84
A) 2
B) 12
C) 6
D) 4
  • 10. Find the LCM for 12 and 15
A) 180
B) 30
C) 60
D) 5
  • 11. FInd the GCF for 63 and 54
A) 12
B) 3
C) 9
D) 6
  • 12. FInd the LCM for 2, 5, and 7
A) 45
B) 70
C) 20
D) 35
  • 13. Find the GCF for 18, 36, and 81
A) 3
B) 9
C) 6
D) 2
  • 14. Find the LCM for 6, 18, and 36
A) 36
B) 6
C) 108
D) 18
  • 15. Find the GCF for 54, 60, and 6
A) 4
B) 3
C) 2
D) 6
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Answer Key

1.A   2.B   3.D   4.C   5.C   6.B   7.C   8.C   9.B   10.C   11.C   12.B   13.B   14.A   15.D  

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