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 15?
- A13
- B3
- C6
- D11
2Which number is a factor of both 15 and 3?
- A3
- B12
- C16
- D10
3Which number is a factor of both 6 and 10?
- A10
- B7
- C2
- D12
4Which number is a factor of both 16 and 20?
- A40
- B4
- C17
- D6
5Which number is a factor of both 12 and 16?
- A5
- B4
- C3
- D13
6Which number is a factor of both 24 and 4?
- A8
- B9
- C4
- D5
7Which number is a factor of both 10 and 25?
- A5
- B50
- C2
- D10
8Which number is a factor of both 25 and 15?
- A10
- B7
- C2
- D5
9Which number is a factor of both 25 and 30?
- A5
- B26
- C11
- D3
10Which number is a factor of both 3 and 6?
- A7
- B3
- C12
- D9
11Which number is a factor of both 12 and 18?
- A7
- B10
- C2
- D36
12Which number is a factor of both 5 and 20?
- A40
- B10
- C5
- D6
Answer key: Factors in common
- 1. B (3)
- 2. A (3)
- 3. C (2)
- 4. B (4)
- 5. B (4)
- 6. C (4)
- 7. A (5)
- 8. D (5)
- 9. A (5)
- 10. B (3)
- 11. C (2)
- 12. C (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors