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 4 and 24?
- A2
- B6
- C5
- D9
2Which number is a factor of both 15 and 12?
- A3
- B4
- C8
- D16
3Which number is a factor of both 3 and 21?
- A42
- B7
- C3
- D2
4Which number is a factor of both 10 and 2?
- A4
- B7
- C2
- D12
5Which number is a factor of both 20 and 8?
- A2
- B11
- C7
- D5
6Which number is a factor of both 20 and 25?
- A4
- B5
- C50
- D8
7Which number is a factor of both 4 and 2?
- A4
- B2
- C10
- D3
8Which number is a factor of both 12 and 6?
- A12
- B10
- C2
- D7
9Which number is a factor of both 4 and 16?
- A32
- B2
- C12
- D9
10Which number is a factor of both 6 and 3?
- A3
- B6
- C7
- D9
11Which number is a factor of both 6 and 10?
- A9
- B8
- C2
- D7
12Which number is a factor of both 16 and 4?
- A8
- B12
- C2
- D7
Answer key: Factors in common
- 1. A (2)
- 2. A (3)
- 3. C (3)
- 4. C (2)
- 5. A (2)
- 6. B (5)
- 7. B (2)
- 8. C (2)
- 9. B (2)
- 10. A (3)
- 11. C (2)
- 12. C (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors