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 9 and 6?
- A10
- B4
- C3
- D11
2Which number is a factor of both 4 and 10?
- A2
- B10
- C5
- D6
3Which number is a factor of both 6 and 15?
- A3
- B9
- C6
- D30
4Which number is a factor of both 2 and 6?
- A7
- B2
- C11
- D8
5Which number is a factor of both 10 and 12?
- A11
- B7
- C2
- D5
6Which number is a factor of both 12 and 15?
- A3
- B12
- C10
- D9
7Which number is a factor of both 4 and 16?
- A3
- B11
- C4
- D8
8Which number is a factor of both 2 and 12?
- A12
- B11
- C10
- D2
9Which number is a factor of both 3 and 15?
- A4
- B6
- C11
- D3
10Which number is a factor of both 15 and 12?
- A3
- B10
- C7
- D9
11Which number is a factor of both 15 and 10?
- A5
- B3
- C20
- D11
12Which number is a factor of both 10 and 6?
- A8
- B2
- C11
- D3
Answer key: Factors in common
- 1. C (3)
- 2. A (2)
- 3. A (3)
- 4. B (2)
- 5. C (2)
- 6. A (3)
- 7. C (4)
- 8. D (2)
- 9. D (3)
- 10. A (3)
- 11. A (5)
- 12. B (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors