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 30 and 24?
- A8
- B2
- C9
- D7
2Which number is a factor of both 12 and 2?
- A2
- B3
- C10
- D9
3Which number is a factor of both 16 and 12?
- A2
- B3
- C10
- D9
4Which number is a factor of both 5 and 30?
- A5
- B2
- C6
- D12
5Which number is a factor of both 10 and 6?
- A9
- B2
- C5
- D4
6Which number is a factor of both 15 and 20?
- A16
- B11
- C3
- D5
7Which number is a factor of both 2 and 14?
- A12
- B10
- C3
- D2
8Which number is a factor of both 10 and 2?
- A8
- B2
- C7
- D6
9Which number is a factor of both 9 and 6?
- A3
- B5
- C10
- D2
10Which number is a factor of both 6 and 9?
- A7
- B4
- C3
- D6
11Which number is a factor of both 20 and 15?
- A5
- B2
- C11
- D10
12Which number is a factor of both 18 and 15?
- A9
- B3
- C4
- D7
Answer key: Factors in common
- 1. B (2)
- 2. A (2)
- 3. A (2)
- 4. A (5)
- 5. B (2)
- 6. D (5)
- 7. D (2)
- 8. B (2)
- 9. A (3)
- 10. C (3)
- 11. A (5)
- 12. B (3)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors