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 10 and 4?
- A2
- B5
- C10
- D12
2Which number is a factor of both 5 and 30?
- A60
- B8
- C9
- D5
3Which number is a factor of both 12 and 20?
- A11
- B6
- C2
- D8
4Which number is a factor of both 6 and 18?
- A9
- B10
- C2
- D5
5Which number is a factor of both 2 and 10?
- A12
- B2
- C6
- D10
6Which number is a factor of both 8 and 12?
- A4
- B24
- C5
- D7
7Which number is a factor of both 15 and 18?
- A5
- B11
- C4
- D3
8Which number is a factor of both 10 and 15?
- A2
- B5
- C7
- D3
9Which number is a factor of both 12 and 16?
- A8
- B3
- C2
- D9
10Which number is a factor of both 12 and 6?
- A12
- B6
- C9
- D10
11Which number is a factor of both 36 and 30?
- A8
- B5
- C4
- D3
12Which number is a factor of both 18 and 42?
- A3
- B12
- C84
- D8
Answer key: Factors in common
- 1. A (2)
- 2. D (5)
- 3. C (2)
- 4. C (2)
- 5. B (2)
- 6. A (4)
- 7. D (3)
- 8. B (5)
- 9. C (2)
- 10. B (6)
- 11. D (3)
- 12. A (3)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors