Question

find the common factor of the set of number 10, 20 and 30

Answer 1

10 is the common factor of 10,20,30

Answer 2

$\textbf {Hey there, here is the solution.}$

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STEP 1: Find the factors of 10:

10 = 1 x 10

10 = 2 x 5

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STEP 2: Find the factors of 20:

20 = 1 x 20

20 = 2 x 10

20 = 4 x 5

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STEP 3: Find the factors of 30:

30 = 1 x 30

30 = 2 x 15

30 = 3 x 10

30 = 5 x 6

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STEP 4: Find the common factors:

Factors of 10 = 1, 2, 5 and 10

Factors of 20 = 1, 2, 4, ,5, 10 and 20

Factors of 30 = 1, 2, 3, 5, 6, 10, 15 and 20

Common factors are : 1, 2, 5 and 10

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Answer: The common factors of 10, 20 and 30 are 1, 2, 5 and 10

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$\textbf {Cheers}$