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 2 and 4?
- A8
- B12
- C2
- D3
2Which number is a factor of both 5 and 10?
- A9
- B8
- C7
- D5
3Which number is a factor of both 6 and 14?
- A7
- B6
- C2
- D3
4Which number is a factor of both 6 and 36?
- A12
- B8
- C6
- D10
5Which number is a factor of both 20 and 35?
- A5
- B12
- C21
- D3
6Which number is a factor of both 6 and 3?
- A9
- B6
- C3
7Which number is a factor of both 30 and 6?
- A10
- B2
- C8
- D4
8Which number is a factor of both 10 and 4?
- A11
- B6
- C4
- D2
9Which number is a factor of both 20 and 8?
- A9
- B4
- C5
- D10
10Which number is a factor of both 16 and 12?
- A7
- B5
- C2
- D9
11Which number is a factor of both 6 and 10?
- A7
- B2
- C11
- D4
12Which number is a factor of both 12 and 16?
- A13
- B9
- C2
- D32
Answer key: Factors in common
- 1. C (2)
- 2. D (5)
- 3. C (2)
- 4. C (6)
- 5. A (5)
- 6. C (3)
- 7. B (2)
- 8. D (2)
- 9. B (4)
- 10. C (2)
- 11. B (2)
- 12. C (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors