πagarwalmath · 5th grade · Common Core 6.NS.B.4
🔗 Factors in common
Greatest common factor and least common multiple (and prime factorization)
Name: ______________________Date: ____________
1Which number is a factor of both 4 and 6?
- A2
- B5
- C8
- D9
2Which number is a factor of both 2 and 6?
- A12
- B5
- C2
- D6
3Which number is a factor of both 10 and 25?
- A2
- B9
- C8
- D5
4Which number is a factor of both 10 and 5?
- A12
- B5
- C6
- D10
5Which number is a factor of both 20 and 16?
- A7
- B8
- C4
- D10
6Which number is a factor of both 8 and 14?
- A11
- B4
- C3
- D2
7Which number is a factor of both 6 and 10?
- A2
- B8
- C5
- D4
8Which number is a factor of both 6 and 15?
- A5
- B3
- C7
- D30
9Which number is a factor of both 5 and 10?
- A3
- B5
- C9
- D10
10Which number is a factor of both 10 and 4?
- A11
- B2
- C12
- D9
11Which number is a factor of both 16 and 28?
- A8
- B12
- C4
- D10
12Which number is a factor of both 4 and 12?
- A11
- B4
- C5
- D10
Answer key: Factors in common
- 1. A (2)
- 2. C (2)
- 3. D (5)
- 4. B (5)
- 5. C (4)
- 6. D (2)
- 7. A (2)
- 8. B (3)
- 9. B (5)
- 10. B (2)
- 11. C (4)
- 12. B (4)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors