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 12?
- A5
- B3
- C2
- D11
2Which number is a factor of both 10 and 12?
- A2
- B12
- C7
- D5
3Which number is a factor of both 25 and 20?
- A6
- B5
- C3
- D7
4Which number is a factor of both 3 and 18?
- A9
- B3
- C4
- D6
5Which number is a factor of both 16 and 28?
- A3
- B7
- C12
- D2
6Which number is a factor of both 24 and 18?
- A25
- B7
- C10
- D6
7Which number is a factor of both 18 and 3?
- A3
- B7
- C6
8Which number is a factor of both 25 and 10?
- A5
- B4
- C3
- D11
9Which number is a factor of both 15 and 12?
- A11
- B24
- C3
- D16
10Which number is a factor of both 16 and 20?
- A6
- B3
- C5
- D4
11Which number is a factor of both 12 and 16?
- A32
- B8
- C3
- D4
12Which number is a factor of both 9 and 3?
- A10
- B4
- C3
- D9
Answer key: Factors in common
- 1. C (2)
- 2. A (2)
- 3. B (5)
- 4. B (3)
- 5. D (2)
- 6. D (6)
- 7. A (3)
- 8. A (5)
- 9. C (3)
- 10. D (4)
- 11. D (4)
- 12. C (3)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors