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 30 and 24?
- A12
- B3
- C4
- D11
2Which number is a factor of both 8 and 10?
- A6
- B2
- C10
- D20
3Which number is a factor of both 4 and 24?
- A4
- B8
- C9
- D10
4Which number is a factor of both 6 and 14?
- A2
- B9
- C7
5Which number is a factor of both 4 and 12?
- A8
- B5
- C11
- D2
6Which number is a factor of both 12 and 16?
- A6
- B12
- C4
- D11
7Which number is a factor of both 8 and 2?
- A11
- B4
- C2
8Which number is a factor of both 8 and 6?
- A6
- B3
- C12
- D2
9Which number is a factor of both 6 and 2?
- A2
- B7
- C5
- D10
10Which number is a factor of both 30 and 25?
- A6
- B5
- C2
- D9
11Which number is a factor of both 6 and 12?
- A6
- B11
- C24
- D9
12Which number is a factor of both 2 and 10?
- A9
- B2
- C5
- D3
Answer key: Factors in common
- 1. B (3)
- 2. B (2)
- 3. A (4)
- 4. A (2)
- 5. D (2)
- 6. C (4)
- 7. C (2)
- 8. D (2)
- 9. A (2)
- 10. B (5)
- 11. A (6)
- 12. B (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors