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 8?
- A9
- B5
- C2
- D8
2Which number is a factor of both 4 and 2?
- A2
- B6
- C10
- D11
3Which number is a factor of both 12 and 15?
- A9
- B10
- C3
- D30
4Which number is a factor of both 36 and 6?
- A11
- B6
- C8
- D5
5Which number is a factor of both 9 and 21?
- A3
- B11
- C4
- D10
6Which number is a factor of both 15 and 9?
- A11
- B8
- C3
- D18
7Which number is a factor of both 18 and 30?
- A60
- B4
- C3
- D19
8Which number is a factor of both 6 and 3?
- A5
- B3
- C6
- D8
9Which number is a factor of both 6 and 12?
- A12
- B7
- C2
- D10
10Which number is a factor of both 20 and 4?
- A7
- B2
- C6
- D12
11Which number is a factor of both 6 and 36?
- A3
- B5
- C9
- D10
12Which number is a factor of both 5 and 20?
- A10
- B4
- C8
- D5
Answer key: Factors in common
- 1. C (2)
- 2. A (2)
- 3. C (3)
- 4. B (6)
- 5. A (3)
- 6. C (3)
- 7. C (3)
- 8. B (3)
- 9. C (2)
- 10. B (2)
- 11. A (3)
- 12. D (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors