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 36 and 6?
- A9
- B7
- C2
- D10
2Which number is a factor of both 12 and 30?
- A4
- B3
- C8
- D12
3Which number is a factor of both 18 and 15?
- A3
- B8
- C11
- D10
4Which number is a factor of both 20 and 8?
- A6
- B21
- C11
- D4
5Which number is a factor of both 12 and 30?
- A6
- B11
- C8
- D12
6Which number is a factor of both 30 and 12?
- A31
- B4
- C9
- D3
7Which number is a factor of both 9 and 6?
- A3
- B5
- C10
8Which number is a factor of both 5 and 15?
- A2
- B30
- C3
- D5
9Which number is a factor of both 12 and 28?
- A4
- B12
- C10
- D3
10Which number is a factor of both 3 and 9?
- A10
- B11
- C4
- D3
11Which number is a factor of both 5 and 10?
- A3
- B5
- C10
- D6
12Which number is a factor of both 3 and 6?
- A3
- B2
- C7
- D5
Answer key: Factors in common
- 1. C (2)
- 2. B (3)
- 3. A (3)
- 4. D (4)
- 5. A (6)
- 6. D (3)
- 7. A (3)
- 8. D (5)
- 9. A (4)
- 10. D (3)
- 11. B (5)
- 12. A (3)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors