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 25?
- A9
- B5
- C50
- D3
2Which number is a factor of both 25 and 15?
- A10
- B26
- C6
- D5
3Which number is a factor of both 15 and 12?
- A11
- B3
- C2
- D6
4Which number is a factor of both 10 and 6?
- A12
- B11
- C2
- D6
5Which number is a factor of both 12 and 6?
- A6
- B13
- C12
- D5
6Which number is a factor of both 12 and 9?
- A3
- B6
- C4
- D11
7Which number is a factor of both 4 and 8?
- A4
- B16
- C7
- D8
8Which number is a factor of both 4 and 14?
- A4
- B11
- C2
- D3
9Which number is a factor of both 8 and 4?
- A11
- B8
- C4
- D9
10Which number is a factor of both 2 and 12?
- A11
- B3
- C4
- D2
11Which number is a factor of both 36 and 30?
- A2
- B10
- C60
- D7
12Which number is a factor of both 8 and 28?
- A5
- B7
- C4
- D9
Answer key: Factors in common
- 1. B (5)
- 2. D (5)
- 3. B (3)
- 4. C (2)
- 5. A (6)
- 6. A (3)
- 7. A (4)
- 8. C (2)
- 9. C (4)
- 10. D (2)
- 11. A (2)
- 12. C (4)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors