Question

a. 19
d. 12 and 18
4. Write the common factors of the following:
a. 20 and 36
b. 36 and 60 c. 15 and 45
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Answer 1

Answer:

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Answer 2

a. 20 and 36

20 : 2, 4, 5, 10, 20

36 : 2, 3, 4, 6, 9, 12, 18, 36

Common Factors are : 2 and 4

b. 36 and 60

36 : 2, 3, 4, 6, 9, 12, 18, 36

60 : 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

Common Factors are : 2, 3, 4, 6 and 12

c. 15 and 45

15 : 3, 5, 15

45: 3, 5, 9, 15, 45

Common Factors are : 3, 5 and 15

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