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 6 and 8?
- A3
- B9
- C2
- D10
2Which number is a factor of both 12 and 28?
- A4
- B6
- C8
- D11
3Which number is a factor of both 15 and 25?
- A50
- B2
- C5
- D16
4Which number is a factor of both 20 and 8?
- A16
- B7
- C21
- D2
5Which number is a factor of both 30 and 35?
- A5
- B9
- C6
- D10
6Which number is a factor of both 30 and 6?
- A8
- B4
- C6
- D12
7Which number is a factor of both 12 and 2?
- A13
- B9
- C10
- D2
8Which number is a factor of both 3 and 9?
- A3
- B5
- C9
- D2
9Which number is a factor of both 12 and 9?
- A3
- B10
- C6
- D18
10Which number is a factor of both 4 and 20?
- A8
- B7
- C4
- D40
11Which number is a factor of both 6 and 2?
- A2
- B3
- C4
- D9
12Which number is a factor of both 4 and 16?
- A2
- B7
- C11
- D5
Answer key: Factors in common
- 1. C (2)
- 2. A (4)
- 3. C (5)
- 4. D (2)
- 5. A (5)
- 6. C (6)
- 7. D (2)
- 8. A (3)
- 9. A (3)
- 10. C (4)
- 11. A (2)
- 12. A (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors