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L.C.M. and H.C.F. Practice

Practice finding Least Common Multiple (L.C.M.) and Highest Common Factor (H.C.F.) of two and three numbers, including application problems.

25 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Find the L.C.M. of 12 and 18.

  1. 12
  2. 18
  3. 36
  4. 42
Question 2 Multiple Choice (Single Answer)

Find the smallest number which can exactly be divided by 6, 8, 12.

  1. 16
  2. 24
  3. 84
  4. 169
Question 3 Multiple Choice (Single Answer)

Find the H.C.F. of 12 and 18.

  1. 2
  2. 3
  3. 4
  4. 6
Question 4 Multiple Choice (Single Answer)

Find the H.C.F. of 36 and 9.

  1. 2
  2. 3
  3. 4
  4. 9
Question 5 Multiple Choice (Single Answer)

Find the L.C.M. of 25 and 10.

  1. 20
  2. 30
  3. 40
  4. 50
Question 6 Multiple Choice (Single Answer)

Which of the following numbers has 8 as the H.C.F.?

  1. 84, 21
  2. 90, 20
  3. 92,18
  4. 96, 40
Question 7 Multiple Choice (Single Answer)

Which of the following numbers has 3 as the H.C.F.?

  1. 166, 228
  2. 153, 222
  3. 148, 192
  4. 114, 124
Question 8 Multiple Choice (Single Answer)

Find the L.C.M. of 23 and 100.

  1. 2300
  2. 2345
  3. 2350
  4. 2500
Question 9 Multiple Choice (Single Answer)

Find the number which is twice the L.C.M. of 26 and 38.

  1. 980
  2. 984
  3. 986
  4. 988
Question 10 Multiple Choice (Single Answer)

Find the square of H.C.F. of 98 and 14.

  1. 190
  2. 196
  3. 225
  4. 289
Question 11 Multiple Choice (Single Answer)

What is the product of L.C.M. and H.C.F. of 39 and 26?

  1. 1012
  2. 1014
  3. 1016
  4. 1018
Question 12 Multiple Choice (Single Answer)

Find the L.C.M of 15 and 25.

  1. 15
  2. 30
  3. 60
  4. 75
Question 13 Multiple Choice (Single Answer)

Find the H.C.F. of 24 and 96.

  1. 8
  2. 12
  3. 24
  4. 36
Question 14 Multiple Choice (Single Answer)

Find the L.C.M. of 8 and 12.

  1. 8
  2. 12
  3. 16
  4. 24
Question 15 Multiple Choice (Single Answer)

Find the H.C.F. of 20 and 30.

  1. 2
  2. 3
  3. 10
  4. 20
Question 16 Multiple Choice (Single Answer)

Find the L.C.M of 8, 12 and 16.

  1. 24
  2. 36
  3. 40
  4. 48
Question 17 Multiple Choice (Single Answer)

Find the L.C.M of 4, 7 and 21.

  1. 84
  2. 63
  3. 42
  4. 21
Question 18 Multiple Choice (Single Answer)

Find the H.C.F of 42, 98 and 112.

  1. 21
  2. 14
  3. 7
  4. 2
Question 19 Multiple Choice (Single Answer)

Find the H.C.F of 20, 24 and 30.

  1. 2
  2. 4
  3. 6
  4. 10
Question 20 Multiple Choice (Single Answer)

Find the H.C.F of 24, 72 and 120.

  1. 24
  2. 12
  3. 8
  4. 4
Question 21 Multiple Choice (Single Answer)

Find the L.C.M of 20 and 60.

  1. 60
  2. 80
  3. 100
  4. 120
Question 22 Multiple Choice (Single Answer)

Find the H.C.F of 72, 60 and 108.

  1. 10
  2. 12
  3. 14
  4. 16
Question 23 Multiple Choice (Single Answer)

Find the L.C.M of 100 and 150.

  1. 300
  2. 250
  3. 200
  4. 150
Question 24 Multiple Choice (Single Answer)

Find the L.C.M of 12, 16 and 24.

  1. 24
  2. 36
  3. 48
  4. 60
Question 25 Multiple Choice (Single Answer)

Find the L.C.M and H.C.F of 15 and 20.

  1. 60, 5
  2. 60, 4
  3. 5, 60
  4. 4, 60
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