Find the common factors of: 20 and 28 - Vidyadip

Question

Find the common factors of:
$20$ and $28$

✓

Answer

$20$ and $28$
$20 = 1 \times 20$
$20 = 2 \times 10$
$20 = 4 \times 5$
i.e., the factors of $20$ are $1, 2, 4, 5, 10$ and $20.$
Again, $28 = 1 \times 28$
$28 = 2 \times 14$
$28 = 7 \times 4$
i.e., the factors of $28$ are $1, 2, 4, 7, 14$ and $28.$
Therefore, the common factors of the two numbers are $1, 2$ and $4.$

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