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 15 and 25?
- A12
- B50
- C10
- D5
2Which number is a factor of both 10 and 12?
- A24
- B2
- C8
- D6
3Which number is a factor of both 12 and 9?
- A4
- B7
- C3
- D10
4Which number is a factor of both 6 and 36?
- A10
- B2
- C4
- D8
5Which number is a factor of both 18 and 12?
- A24
- B5
- C4
- D6
6Which number is a factor of both 25 and 15?
- A12
- B5
- C8
- D3
7Which number is a factor of both 8 and 12?
- A4
- B6
- C5
- D7
8Which number is a factor of both 10 and 2?
- A6
- B4
- C2
- D11
9Which number is a factor of both 20 and 24?
- A48
- B2
- C7
- D8
10Which number is a factor of both 5 and 15?
- A10
- B8
- C5
- D30
11Which number is a factor of both 15 and 10?
- A11
- B10
- C5
- D9
12Which number is a factor of both 4 and 28?
- A5
- B12
- C11
- D2
Answer key: Factors in common
- 1. D (5)
- 2. B (2)
- 3. C (3)
- 4. B (2)
- 5. D (6)
- 6. B (5)
- 7. A (4)
- 8. C (2)
- 9. B (2)
- 10. C (5)
- 11. C (5)
- 12. D (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors