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    - Tangents & Slopes 4
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    - Indefinite Integrals 7
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  - Sequences & Series
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    - Partial Sums 4
    - Power Series 6
    - Taylor Series 5
    - Maclaurin Series 5
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- Statistics & Probability
  - Data Handling
    - Types of Data 17
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    - Pie Charts 8
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    - Median 15
    - Mode 6
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    - Hypothesis Testing 16
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    - Margin of Error 7
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- Number Theory
  - Prime Numbers
    - Prime Basics 6
    - Prime Factorization 13
    - Sieve of Eratosthenes 5
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    - Divisibility by 2 6
    - Rules Application 2
    - Remainder Concepts 6
    - Number Puzzles 2
    - Divisibility Proofs 5
  - GCD & LCM
    - GCD Basics 5
    - LCM Basics 5
    - Euclidean Algorithm 4
    - GCD LCM Practice 2
    - Coprime Numbers 2
  - Modular Arithmetic
    - Congruence 9
    - Modulo Basics 5
    - Congruence Relations 6
    - Modular Addition 5
    - Modular Multiplication 3
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    - Math in Coding 2
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- Mathematical Topology
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    - Validity & Models 5
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    - Union & Intersection 4
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    - Complements & Differences 3
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  - Proof Techniques
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    - Contradiction Method 4
    - Inductive Proof 4
    - Case Analysis 4
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  - Boolean Algebra
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GCD LCM Practice Quizzes, Questions & Answers

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Top Trending GCD LCM Practice Quizzes

Want to strengthen your skills with factors and multiples? In this quiz, you’ll practice finding the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of different numbers. You’ll explore prime...

Questions: 20 | Attempts: 17 | Last updated: Dec 9, 2025

Sample Question 1
The GCD of 18 and 24 is:

2

4

6

12

Sample Question 2
The LCM of 6 and 8 is:

12

24

36

48

Sample Question 3
Which is the prime factorization of 60?

2 × 30

5 × 12

2 × 2 × 3 × 5

4 × 15

Recent GCD LCM Practice Quizzes

Algebraic Extensions of GCD and LCM

Ready to take GCD and LCM into algebra? In this quiz, you’ll solve equations that connect GCD and LCM to variables, test which values work, and discover how number properties extend into algebraic contexts. We bring you...

Questions: 20 | Attempts: 10 | Last updated: Dec 9, 2025

Sample Question
If GCD(2x, 6) = 2, what is the smallest integer value of x?

1

2

3

4