- Prime Numbers Factors and Multiples
- Home
- Even and Odd Numbers
- Divisibility Rules for 2, 5, and 10
- Divisibility Rules for 3 and 9
- Factors
- Prime Numbers
- Prime Factorization
- Greatest Common Factor of 2 Numbers
- Greatest Common Factor of 3 Numbers
- Introduction to Distributive Property
- Understanding the Distributive Property
- Introduction to Factoring With Numbers
- Factoring a Sum or Difference of Whole Numbers
- Least Common Multiple of 2 Numbers
- Least Common Multiple of 3 Numbers
- Word Problem Involving the Least Common Multiple of 2 Numbers

- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who

Following quiz provides Multiple Choice Questions (MCQs) related to **Least Common Multiple of 2 Numbers**. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using **Show Answer** button. You can use **Next Quiz** button to check new set of questions in the quiz.

Q 1 - Find the least common multiple (l. c. m.) of following pair of numbers.

18, 24

**Step 1:**

The multiples of 18 and 24 are as follows

18, 36, 54, **72**…

24, 48, **72**…

**Step 2:**

The lcm of 18 and 24 is therefore 72

Q 2 - Find the least common multiple (l. c. m.) of following pair of numbers.

15, 27

**Step 1:**

The multiples of 15 and 27 are as follows

15, 30, 45, 60, 75, 90, 105, 120, **135**…

27, 54, 81, 108, **135**…

**Step 2:**

The lcm of 15 and 27 is therefore 135

Q 3 - Find the least common multiple (l. c. m.) of following pair of numbers.

21, 30

**Step 1:**

The multiples of 21 and 30 are as follows

21, 42, 63, 84, 105, 126, 147, 168, 189, **210**…

30, 60, 90, 120, 150, 180, **210**…

**Step 2:**

The lcm of 21 and 30 is therefore 210

Q 4 - Find the least common multiple (l. c. m.) of following pair of numbers.

16, 36

**Step 1:**

The multiples of 16 and 36 are as follows

16, 32, 48, 64, 80, 96, 112, 128, **144**…

36, 72, 108, **144**…

**Step 2:**

The lcm of 16 and 36 is therefore 144.

Q 5 - Find the least common multiple (l. c. m.) of following pair of numbers.

16, 48

**Step 1:**

The multiples of 16 and 48 are

16, 32, **48**…

**48**, 96...

**Step 2:**

So the lcm of 16 and 48 is 48 itself.

Q 6 - Find the least common multiple (l. c. m.) of following pair of numbers.

24, 30

**Step 1:**

The multiples of 24 and 30 are

24, 48, 72, 96, **120**…

30, 60, 90, **120**…

**Step 2:**

So the lcm of 24 and 30 is therefore 120.

Q 7 - Find the least common multiple (l. c. m.) of following pair of numbers.

15, 25

**Step 1:**

The multiples of 15 and 25 are as follows

15, 30, 45, 60, **75**…

25, 50, **75**…

**Step 2:**

The lcm of 15 and 25 is therefore 75.

Q 8 - Find the least common multiple (l. c. m.) of following pair of numbers.

30, 45

**Step 1:**

The multiples of 30 and 45 are as follows

30.60, **90**…

45, **90**…

**Step 2:**

So the lcm of 30 and 45 is 90.

Q 9 - Find the least common multiple (l. c. m.) of following pair of numbers.

48, 60

**Step 1:**

The multiples of 48 and 60 are as follows

48, 96, 144, 192, **240**…

60, 120, 180, **240**…

**Step 2:**

The lcm of 48 and 60 is therefore 240.

Q 10 - Find the least common multiple (l. c. m.) of following pair of numbers.

20, 26

**Step 1:**

The multiples of 20 and 26 are

20, 40, 60, 80, 100, 120, **140**…

28, 56, 84, 112, **140**…

**Step 2:**

The lcm of 20 and 26 is therefore 140.

least_common_multiple_of_2_numbers.htm

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