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 6 and 12?
- A9
- B24
- C7
- D2
2Which number is a factor of both 9 and 12?
- A10
- B6
- C11
- D3
3Which number is a factor of both 12 and 15?
- A11
- B30
- C9
- D3
4Which number is a factor of both 25 and 15?
- A4
- B9
- C5
- D12
5Which number is a factor of both 30 and 12?
- A31
- B5
- C9
- D6
6Which number is a factor of both 12 and 8?
- A6
- B10
- C11
- D2
7Which number is a factor of both 5 and 30?
- A9
- B60
- C10
- D5
8Which number is a factor of both 6 and 9?
- A18
- B11
- C8
- D3
9Which number is a factor of both 24 and 20?
- A6
- B12
- C40
- D4
10Which number is a factor of both 25 and 5?
- A5
- B26
- C12
- D3
11Which number is a factor of both 6 and 4?
- A7
- B2
- C10
- D6
12Which number is a factor of both 12 and 42?
- A8
- B11
- C6
- D4
Answer key: Factors in common
- 1. D (2)
- 2. D (3)
- 3. D (3)
- 4. C (5)
- 5. D (6)
- 6. D (2)
- 7. D (5)
- 8. D (3)
- 9. D (4)
- 10. A (5)
- 11. B (2)
- 12. C (6)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors