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 18?
- A10
- B6
- C12
- D3
2Which number is a factor of both 9 and 6?
- A3
- B12
- C2
- D11
3Which number is a factor of both 4 and 24?
- A6
- B2
- C7
- D5
4Which number is a factor of both 4 and 10?
- A4
- B20
- C7
- D2
5Which number is a factor of both 30 and 42?
- A3
- B11
- C7
- D12
6Which number is a factor of both 18 and 12?
- A19
- B8
- C11
- D2
7Which number is a factor of both 18 and 15?
- A3
- B2
- C8
- D10
8Which number is a factor of both 25 and 15?
- A26
- B3
- C5
- D4
9Which number is a factor of both 20 and 5?
- A5
- B10
- C12
- D8
10Which number is a factor of both 18 and 3?
- A3
- B12
- C7
- D11
11Which number is a factor of both 6 and 36?
- A6
- B7
- C11
12Which number is a factor of both 15 and 6?
- A11
- B4
- C5
- D3
Answer key: Factors in common
- 1. D (3)
- 2. A (3)
- 3. B (2)
- 4. D (2)
- 5. A (3)
- 6. D (2)
- 7. A (3)
- 8. C (5)
- 9. A (5)
- 10. A (3)
- 11. A (6)
- 12. D (3)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors