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 12 and 4?
- A12
- B2
- C5
- D13
2Which number is a factor of both 16 and 4?
- A4
- B10
- C8
- D12
3Which number is a factor of both 6 and 8?
- A2
- B4
- C7
- D6
4Which number is a factor of both 6 and 21?
- A4
- B3
- C42
- D5
5Which number is a factor of both 30 and 24?
- A6
- B11
- C10
- D48
6Which number is a factor of both 15 and 9?
- A7
- B10
- C6
- D3
7Which number is a factor of both 6 and 10?
- A10
- B7
- C4
- D2
8Which number is a factor of both 5 and 10?
- A8
- B5
- C2
- D10
9Which number is a factor of both 12 and 10?
- A6
- B11
- C2
- D9
10Which number is a factor of both 5 and 25?
- A3
- B5
- C6
- D12
11Which number is a factor of both 20 and 12?
- A4
- B5
- C12
- D24
12Which number is a factor of both 10 and 25?
- A5
- B7
- C12
- D6
Answer key: Factors in common
- 1. B (2)
- 2. A (4)
- 3. A (2)
- 4. B (3)
- 5. A (6)
- 6. D (3)
- 7. D (2)
- 8. B (5)
- 9. C (2)
- 10. B (5)
- 11. A (4)
- 12. A (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors