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 5 and 25?
- A11
- B5
- C50
- D6
2Which number is a factor of both 8 and 4?
- A8
- B12
- C2
- D7
3Which number is a factor of both 5 and 20?
- A6
- B4
- C40
- D5
4Which number is a factor of both 18 and 15?
- A19
- B10
- C3
- D7
5Which number is a factor of both 15 and 20?
- A40
- B5
- C7
- D3
6Which number is a factor of both 30 and 42?
- A3
- B9
- C7
- D4
7Which number is a factor of both 8 and 10?
- A20
- B2
- C3
- D11
8Which number is a factor of both 6 and 30?
- A9
- B4
- C60
- D6
9Which number is a factor of both 24 and 6?
- A12
- B25
- C11
- D6
10Which number is a factor of both 36 and 6?
- A7
- B12
- C3
- D9
11Which number is a factor of both 25 and 10?
- A3
- B4
- C5
- D8
12Which number is a factor of both 15 and 12?
- A10
- B16
- C7
- D3
Answer key: Factors in common
- 1. B (5)
- 2. C (2)
- 3. D (5)
- 4. C (3)
- 5. B (5)
- 6. A (3)
- 7. B (2)
- 8. D (6)
- 9. D (6)
- 10. C (3)
- 11. C (5)
- 12. D (3)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors