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 10 and 25?
- A3
- B5
- C7
- D10
2Which number is a factor of both 6 and 36?
- A4
- B6
- C72
- D7
3Which number is a factor of both 8 and 12?
- A2
- B3
- C5
- D11
4Which number is a factor of both 30 and 18?
- A7
- B4
- C12
- D6
5Which number is a factor of both 2 and 4?
- A5
- B2
- C9
- D12
6Which number is a factor of both 6 and 24?
- A9
- B5
- C6
- D4
7Which number is a factor of both 2 and 10?
- A4
- B9
- C2
- D6
8Which number is a factor of both 25 and 10?
- A10
- B5
- C2
- D11
9Which number is a factor of both 15 and 9?
- A3
- B12
- C11
- D8
10Which number is a factor of both 9 and 3?
- A3
- B10
- C6
11Which number is a factor of both 4 and 8?
- A11
- B16
- C4
- D10
12Which number is a factor of both 4 and 16?
- A8
- B2
- C5
- D32
Answer key: Factors in common
- 1. B (5)
- 2. B (6)
- 3. A (2)
- 4. D (6)
- 5. B (2)
- 6. C (6)
- 7. C (2)
- 8. B (5)
- 9. A (3)
- 10. A (3)
- 11. C (4)
- 12. B (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors