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 3 and 12?
- A3
- B5
- C11
- D4
2Which number is a factor of both 16 and 20?
- A7
- B4
- C3
- D5
3Which number is a factor of both 4 and 6?
- A11
- B12
- C2
- D5
4Which number is a factor of both 20 and 35?
- A4
- B5
- C2
- D10
5Which number is a factor of both 9 and 3?
- A9
- B5
- C8
- D3
6Which number is a factor of both 12 and 6?
- A9
- B5
- C8
- D3
7Which number is a factor of both 4 and 12?
- A2
- B6
- C5
- D8
8Which number is a factor of both 5 and 35?
- A8
- B5
- C2
- D70
9Which number is a factor of both 10 and 15?
- A5
- B7
- C9
- D30
10Which number is a factor of both 6 and 15?
- A3
- B7
- C8
- D30
11Which number is a factor of both 6 and 4?
- A12
- B2
- C8
12Which number is a factor of both 15 and 25?
- A11
- B50
- C5
- D16
Answer key: Factors in common
- 1. A (3)
- 2. B (4)
- 3. C (2)
- 4. B (5)
- 5. D (3)
- 6. D (3)
- 7. A (2)
- 8. B (5)
- 9. A (5)
- 10. A (3)
- 11. B (2)
- 12. C (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors