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 24 and 4?
- A6
- B9
- C4
- D3
2Which number is a factor of both 8 and 2?
- A9
- B7
- C11
- D2
3Which number is a factor of both 15 and 6?
- A9
- B11
- C16
- D3
4Which number is a factor of both 9 and 3?
- A10
- B3
- C5
- D2
5Which number is a factor of both 25 and 15?
- A2
- B9
- C5
- D7
6Which number is a factor of both 20 and 15?
- A11
- B10
- C5
- D7
7Which number is a factor of both 6 and 18?
- A9
- B4
- C8
- D6
8Which number is a factor of both 2 and 10?
- A11
- B6
- C20
- D2
9Which number is a factor of both 18 and 24?
- A48
- B5
- C3
- D19
10Which number is a factor of both 4 and 8?
- A7
- B4
- C8
- D11
11Which number is a factor of both 6 and 15?
- A7
- B10
- C3
- D6
12Which number is a factor of both 20 and 5?
- A3
- B5
- C21
- D8
Answer key: Factors in common
- 1. C (4)
- 2. D (2)
- 3. D (3)
- 4. B (3)
- 5. C (5)
- 6. C (5)
- 7. D (6)
- 8. D (2)
- 9. C (3)
- 10. B (4)
- 11. C (3)
- 12. B (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors