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 24 and 30?
- A60
- B4
- C3
- D25
2Which number is a factor of both 30 and 18?
- A3
- B9
- C7
- D12
3Which number is a factor of both 6 and 12?
- A2
- B11
- C7
- D8
4Which number is a factor of both 5 and 20?
- A8
- B5
- C2
- D7
5Which number is a factor of both 6 and 24?
- A9
- B4
- C3
- D10
6Which number is a factor of both 12 and 20?
- A10
- B2
- C6
- D5
7Which number is a factor of both 6 and 8?
- A12
- B8
- C4
- D2
8Which number is a factor of both 15 and 9?
- A8
- B16
- C3
- D5
9Which number is a factor of both 16 and 20?
- A4
- B17
- C3
- D12
10Which number is a factor of both 8 and 20?
- A5
- B40
- C10
- D4
11Which number is a factor of both 30 and 12?
- A6
- B9
- C4
- D12
12Which number is a factor of both 4 and 10?
- A2
- B10
- C20
- D5
Answer key: Factors in common
- 1. C (3)
- 2. A (3)
- 3. A (2)
- 4. B (5)
- 5. C (3)
- 6. B (2)
- 7. D (2)
- 8. C (3)
- 9. A (4)
- 10. D (4)
- 11. A (6)
- 12. A (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors