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 12 and 14?
- A6
- B4
- C7
- D2
2Which number is a factor of both 4 and 6?
- A7
- B2
- C12
3Which number is a factor of both 15 and 3?
- A3
- B10
- C4
- D6
4Which number is a factor of both 30 and 25?
- A5
- B10
- C31
- D9
5Which number is a factor of both 15 and 25?
- A6
- B7
- C5
- D11
6Which number is a factor of both 20 and 25?
- A5
- B10
- C50
- D8
7Which number is a factor of both 10 and 2?
- A10
- B9
- C2
- D11
8Which number is a factor of both 24 and 18?
- A4
- B8
- C3
- D36
9Which number is a factor of both 8 and 4?
- A9
- B12
- C2
- D7
10Which number is a factor of both 16 and 28?
- A9
- B11
- C2
- D56
11Which number is a factor of both 12 and 15?
- A6
- B3
- C4
- D2
12Which number is a factor of both 15 and 10?
- A5
- B6
- C4
- D16
Answer key: Factors in common
- 1. D (2)
- 2. B (2)
- 3. A (3)
- 4. A (5)
- 5. C (5)
- 6. A (5)
- 7. C (2)
- 8. C (3)
- 9. C (2)
- 10. C (2)
- 11. B (3)
- 12. A (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors