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 3 and 6?
- A8
- B7
- C3
- D9
2Which number is a factor of both 12 and 9?
- A10
- B6
- C3
- D7
3Which number is a factor of both 10 and 12?
- A12
- B2
- C3
- D6
4Which number is a factor of both 6 and 8?
- A7
- B9
- C2
- D16
5Which number is a factor of both 8 and 10?
- A11
- B9
- C8
- D2
6Which number is a factor of both 25 and 10?
- A6
- B10
- C5
- D8
7Which number is a factor of both 20 and 28?
- A3
- B12
- C8
- D4
8Which number is a factor of both 12 and 20?
- A12
- B9
- C2
- D13
9Which number is a factor of both 25 and 15?
- A5
- B9
- C2
- D11
10Which number is a factor of both 30 and 6?
- A12
- B3
- C31
- D10
11Which number is a factor of both 8 and 14?
- A9
- B2
- C4
- D12
12Which number is a factor of both 2 and 12?
- A2
- B12
- C6
- D8
Answer key: Factors in common
- 1. C (3)
- 2. C (3)
- 3. B (2)
- 4. C (2)
- 5. D (2)
- 6. C (5)
- 7. D (4)
- 8. C (2)
- 9. A (5)
- 10. B (3)
- 11. B (2)
- 12. A (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors