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 6 and 42?
- A2
- B10
- C84
- D4
2Which number is a factor of both 5 and 15?
- A3
- B2
- C5
- D6
3Which number is a factor of both 12 and 3?
- A9
- B7
- C6
- D3
4Which number is a factor of both 18 and 12?
- A6
- B11
- C7
- D19
5Which number is a factor of both 10 and 35?
- A5
- B3
- C11
- D7
6Which number is a factor of both 12 and 18?
- A3
- B36
- C8
- D9
7Which number is a factor of both 20 and 8?
- A11
- B16
- C3
- D2
8Which number is a factor of both 4 and 20?
- A8
- B4
- C3
- D12
9Which number is a factor of both 20 and 4?
- A8
- B12
- C10
- D2
10Which number is a factor of both 6 and 18?
- A4
- B9
- C2
- D7
11Which number is a factor of both 6 and 15?
- A10
- B30
- C12
- D3
12Which number is a factor of both 5 and 25?
- A5
- B6
- C4
- D8
Answer key: Factors in common
- 1. A (2)
- 2. C (5)
- 3. D (3)
- 4. A (6)
- 5. A (5)
- 6. A (3)
- 7. D (2)
- 8. B (4)
- 9. D (2)
- 10. C (2)
- 11. D (3)
- 12. A (5)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors