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 24?
- A6
- B11
- C9
- D8
2Which number is a factor of both 18 and 42?
- A11
- B19
- C9
- D6
3Which number is a factor of both 6 and 8?
- A2
- B11
- C12
- D9
4Which number is a factor of both 24 and 30?
- A10
- B60
- C2
- D7
5Which number is a factor of both 8 and 20?
- A8
- B7
- C11
- D4
6Which number is a factor of both 12 and 16?
- A11
- B8
- C2
- D7
7Which number is a factor of both 18 and 15?
- A8
- B12
- C11
- D3
8Which number is a factor of both 20 and 24?
- A6
- B48
- C2
- D11
9Which number is a factor of both 9 and 6?
- A3
- B12
- C2
- D6
10Which number is a factor of both 6 and 9?
- A3
- B8
- C11
- D2
11Which number is a factor of both 16 and 12?
- A4
- B24
- C11
- D17
12Which number is a factor of both 5 and 25?
- A5
- B9
- C7
- D10
Answer key: Factors in common
- 1. A (6)
- 2. D (6)
- 3. A (2)
- 4. C (2)
- 5. D (4)
- 6. C (2)
- 7. D (3)
- 8. C (2)
- 9. A (3)
- 10. A (3)
- 11. A (4)
- 12. A (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors