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 4?
- A7
- B8
- C11
- D2
2Which number is a factor of both 30 and 18?
- A31
- B3
- C7
- D4
3Which number is a factor of both 24 and 30?
- A2
- B10
- C25
- D4
4Which number is a factor of both 12 and 8?
- A6
- B13
- C11
- D2
5Which number is a factor of both 20 and 28?
- A56
- B2
- C11
- D8
6Which number is a factor of both 10 and 8?
- A6
- B9
- C8
- D2
7Which number is a factor of both 8 and 4?
- A12
- B9
- C2
8Which number is a factor of both 30 and 42?
- A7
- B2
- C12
- D8
9Which number is a factor of both 5 and 10?
- A6
- B4
- C5
- D11
10Which number is a factor of both 3 and 18?
- A3
- B6
- C12
- D2
11Which number is a factor of both 12 and 9?
- A18
- B4
- C7
- D3
12Which number is a factor of both 2 and 6?
- A10
- B8
- C3
- D2
Answer key: Factors in common
- 1. D (2)
- 2. B (3)
- 3. A (2)
- 4. D (2)
- 5. B (2)
- 6. D (2)
- 7. C (2)
- 8. B (2)
- 9. C (5)
- 10. A (3)
- 11. D (3)
- 12. D (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors