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 10 and 4?
- A4
- B6
- C2
- D5
2Which number is a factor of both 15 and 10?
- A11
- B12
- C7
- D5
3Which number is a factor of both 12 and 30?
- A8
- B9
- C13
- D3
4Which number is a factor of both 20 and 8?
- A16
- B7
- C6
- D4
5Which number is a factor of both 18 and 24?
- A3
- B12
- C5
- D4
6Which number is a factor of both 12 and 15?
- A6
- B7
- C3
- D10
7Which number is a factor of both 5 and 15?
- A9
- B10
- C5
- D7
8Which number is a factor of both 3 and 12?
- A3
- B6
- C12
- D2
9Which number is a factor of both 25 and 15?
- A5
- B7
- C10
- D11
10Which number is a factor of both 4 and 8?
- A5
- B6
- C4
- D12
11Which number is a factor of both 24 and 20?
- A25
- B4
- C5
- D3
12Which number is a factor of both 15 and 25?
- A5
- B10
- C11
- D2
Answer key: Factors in common
- 1. C (2)
- 2. D (5)
- 3. D (3)
- 4. D (4)
- 5. A (3)
- 6. C (3)
- 7. C (5)
- 8. A (3)
- 9. A (5)
- 10. C (4)
- 11. B (4)
- 12. A (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors