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 2 and 14?
- A8
- B2
- C11
- D9
2Which number is a factor of both 15 and 25?
- A7
- B10
- C5
- D8
3Which number is a factor of both 12 and 18?
- A3
- B4
- C12
- D13
4Which number is a factor of both 16 and 20?
- A7
- B10
- C17
- D4
5Which number is a factor of both 10 and 6?
- A2
- B4
- C5
- D6
6Which number is a factor of both 6 and 21?
- A4
- B3
- C12
- D6
7Which number is a factor of both 30 and 24?
- A9
- B3
- C8
- D11
8Which number is a factor of both 12 and 8?
- A9
- B4
- C12
- D7
9Which number is a factor of both 5 and 10?
- A8
- B11
- C5
- D10
10Which number is a factor of both 9 and 15?
- A3
- B12
- C8
- D4
11Which number is a factor of both 10 and 15?
- A4
- B2
- C7
- D5
12Which number is a factor of both 36 and 42?
- A8
- B12
- C11
- D2
Answer key: Factors in common
- 1. B (2)
- 2. C (5)
- 3. A (3)
- 4. D (4)
- 5. A (2)
- 6. B (3)
- 7. B (3)
- 8. B (4)
- 9. C (5)
- 10. A (3)
- 11. D (5)
- 12. D (2)
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors