Welcome to this collection of **HCF Questions with Answers**. In this resource, you will find a variety of HCF questions for different grade levels, ranging from Class 5 to Class 8. These questions are designed to challenge your understanding of finding the Highest Common Factor (HCF) of numbers.

Test your skills and check your answers to see how well you can determine the highest common factor of various numbers. Let’s dive in and explore the world of HCF together!

**HCF Questions With Answers **2023

**1. What is the HCF of 12 and 18?**

Ans: 6

**2. Find the HCF of 24 and 36.**

Ans: 12

**3. Determine the HCF of 16 and 20.**

Ans: 4

**4. What is the HCF of 30 and 45?**

Ans: 15

**5. Find the HCF of 72 and 96.**

Ans: 24

**6. Find the HCF of 42 and 56.**

Ans: 14

**7. Determine the HCF of 36 and 48.**

Answer: 12

**8. What is the HCF of 30 and 75?**

Answer: 15

**9. Find the HCF of 54 and 90.**

Answer: 18

**10. Determine the HCF of 64 and 128.**

Ans: 64

**11. Find the HCF of 84 and 126.**

Ans: 42

**12. Determine the HCF of 72 and 90.**

Ans: 18

**13. What is the HCF of 56 and 98?**

Ans: 14

**14. Find the HCF of 120 and 180.**

Ans: 60

**15. Determine the HCF of 96 and 144.**

Ans: 48

**16. Find the HCF of 216 and 324.**

Ans: 108

**17. Determine the HCF of 420 and 840.**

Ans: 420

**18. What is the HCF of 672 and 896?**

Ans: 224

**19. Find the HCF of 819 and 1023.**

Ans: 273

**20. Determine the HCF of 1440 and 1800.**

Ans: 360

**21. Find the HCF of 135 and 225.**

Ans: 45

**22. Determine the HCF of 736 and 952.**

Ans: 8

**23. What is the HCF of 1260 and 1764?**

Ans: 252

**24. Find the HCF of 285 and 405.**

Ans: 45

**25. Determine the HCF of 1850 and 2225.**

Ans: 25

**26. Find the HCF of 2250 and 3150.**

Ans: 450

**27. Determine the HCF of 1540 and 1980.**

Ans: 140

**28. What is the HCF of 3528 and 4680?**

Ans: 504

**29. Find the HCF of 4785 and 6292.**

Ans: 17

**30. Determine the HCF of 2136 and 3087.**

Ans: 27

Remember to apply prime factorization and find the common factors to determine the highest common factor. Keep practicing with more numbers to strengthen your skills in finding the HCF.