Question 7 of 36beginner🔧 ApplyNumerical4 marks

Find the common factors of: a. 20 and 28 b. 35 and 50 c. 4, 8 and 12 d. 5, 15 and 25

(a)

Find the common factors of 20 and 28.

Answer

Common factors of 20 and 28 are: 1, 2, 4.

(b)

Find the common factors of 35 and 50.

Answer

Common factors of 35 and 50 are: 1, 5.

(c)

Find the common factors of 4, 8 and 12.

Answer

Common factors of 4, 8 and 12 are: 1, 2, 4.

(d)

Find the common factors of 5, 15 and 25.

Answer

Common factors of 5, 15 and 25 are: 1, 5.

Explanation

(a) Factors of 20: 1, 2, 4, 5, 10, 20. Factors of 28: 1, 2, 4, 7, 14, 28. Common factors are 1, 2, 4. (b) Factors of 35: 1, 5, 7, 35. Factors of 50: 1, 2, 5, 10, 25, 50. Common factors are 1, 5. (c) Factors of 4: 1, 2, 4. Factors of 8: 1, 2, 4, 8. Factors of 12: 1, 2, 3, 4, 6, 12. Common factors are 1, 2, 4. (d) Factors of 5: 1, 5. Factors of 15: 1, 3, 5, 15. Factors of 25: 1, 5, 25. Common factors are 1, 5.

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