# Prime factorization of $1092$

The calculator will find the prime factorization of $1092$, with steps shown.

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Find the prime factorization of $1092$.

### Solution

Start with the number $2$.

Determine whether $1092$ is divisible by $2$.

It is divisible, thus, divide $1092$ by ${\color{green}2}$: $\frac{1092}{2} = {\color{red}546}$.

Determine whether $546$ is divisible by $2$.

It is divisible, thus, divide $546$ by ${\color{green}2}$: $\frac{546}{2} = {\color{red}273}$.

Determine whether $273$ is divisible by $2$.

Since it is not divisible, move to the next prime number.

The next prime number is $3$.

Determine whether $273$ is divisible by $3$.

It is divisible, thus, divide $273$ by ${\color{green}3}$: $\frac{273}{3} = {\color{red}91}$.

Determine whether $91$ is divisible by $3$.

Since it is not divisible, move to the next prime number.

The next prime number is $5$.

Determine whether $91$ is divisible by $5$.

Since it is not divisible, move to the next prime number.

The next prime number is $7$.

Determine whether $91$ is divisible by $7$.

It is divisible, thus, divide $91$ by ${\color{green}7}$: $\frac{91}{7} = {\color{red}13}$.

The prime number ${\color{green}13}$ has no other factors then $1$ and ${\color{green}13}$: $\frac{13}{13} = {\color{red}1}$.

Since we have obtained $1$, we are done.

Now, just count the number of occurences of the divisors (green numbers), and write down the prime factorization: $1092 = 2^{2} \cdot 3 \cdot 7 \cdot 13$.

The prime factorization is $1092 = 2^{2} \cdot 3 \cdot 7 \cdot 13$A.