List all the common factors of 12 and 42.

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Worked solution

1. List all factors of 12

Factors of $12$ : $1, 2, 3, 4, 6, 12$

2. List all factors of 42

Factors of $42$ : $1, 2, 3, 6, 7, 14, 21, 42$

3. Identify the common factors

The numbers that appear in both lists are $1, 2, 3$ , and $6$ .

Answer

$1, 2, 3, 6$

AI analysis — may contain mistakes.

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