πagarwalmath · 5th grade · Common Core 6.NS.B.4
🔗 Factors in common
Greatest common factor and least common multiple (and prime factorization)
Name: ______________________Date: ____________
1What is the greatest common factor of 8 and 6?
Answer: ______________
2What is the greatest common factor of 20 and 5?
Answer: ______________
3What is the greatest common factor of 25 and 5?
Answer: ______________
4What is the greatest common factor of 4 and 20?
Answer: ______________
5What is the greatest common factor of 10 and 6?
Answer: ______________
6What is the greatest common factor of 20 and 12?
Answer: ______________
7What is the greatest common factor of 5 and 30?
Answer: ______________
8What is the greatest common factor of 9 and 6?
Answer: ______________
9What is the greatest common factor of 4 and 28?
Answer: ______________
10What is the greatest common factor of 9 and 21?
Answer: ______________
11What is the greatest common factor of 6 and 9?
Answer: ______________
12What is the greatest common factor of 25 and 10?
Answer: ______________
Answer key: Factors in common
- 1. 2
- 2. 5
- 3. 5
- 4. 4
- 5. 2
- 6. 4
- 7. 5
- 8. 3
- 9. 4
- 10. 3
- 11. 3
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors