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 12?
- A24
- B12
- C3
- D9
2Which number is a factor of both 18 and 6?
- A5
- B19
- C6
- D12
3Which number is a factor of both 18 and 30?
- A60
- B2
- C4
- D11
4Which number is a factor of both 18 and 15?
- A11
- B30
- C6
- D3
5Which number is a factor of both 3 and 18?
- A4
- B3
- C7
- D8
6Which number is a factor of both 30 and 12?
- A12
- B5
- C3
- D7
7Which number is a factor of both 20 and 8?
- A6
- B4
- C7
- D5
8Which number is a factor of both 3 and 6?
- A12
- B6
- C3
- D9
9Which number is a factor of both 6 and 12?
- A6
- B9
- C10
- D5
10Which number is a factor of both 30 and 18?
- A10
- B7
- C12
- D3
11Which number is a factor of both 6 and 24?
- A5
- B8
- C9
- D2
12Which number is a factor of both 30 and 6?
- A6
- B11
- C9
- D31
Answer key: Factors in common
- 1. C (3)
- 2. C (6)
- 3. B (2)
- 4. D (3)
- 5. B (3)
- 6. C (3)
- 7. B (4)
- 8. C (3)
- 9. A (6)
- 10. D (3)
- 11. D (2)
- 12. A (6)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors