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 6?
- A8
- B6
- C11
- D7
2Which number is a factor of both 15 and 6?
- A10
- B11
- C3
- D4
3Which number is a factor of both 6 and 8?
- A6
- B2
- C11
- D9
4Which number is a factor of both 10 and 6?
- A12
- B7
- C9
- D2
5Which number is a factor of both 4 and 16?
- A2
- B7
- C5
6Which number is a factor of both 2 and 10?
- A5
- B20
- C3
- D2
7Which number is a factor of both 25 and 15?
- A11
- B9
- C5
- D10
8Which number is a factor of both 5 and 20?
- A11
- B6
- C5
- D8
9Which number is a factor of both 6 and 30?
- A6
- B9
- C11
- D7
10Which number is a factor of both 15 and 21?
- A42
- B2
- C3
- D9
11Which number is a factor of both 5 and 10?
- A9
- B3
- C5
- D2
12Which number is a factor of both 10 and 4?
- A12
- B11
- C2
- D6
Answer key: Factors in common
- 1. B (6)
- 2. C (3)
- 3. B (2)
- 4. D (2)
- 5. A (2)
- 6. D (2)
- 7. C (5)
- 8. C (5)
- 9. A (6)
- 10. C (3)
- 11. C (5)
- 12. C (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors