# Prime factorization of $1010$

The calculator will find the prime factorization of $1010$, with steps shown.

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Find the prime factorization of $1010$.

### Solution

Start with the number $2$.

Determine whether $1010$ is divisible by $2$.

It is divisible, thus, divide $1010$ by ${\color{green}2}$: $\frac{1010}{2} = {\color{red}505}$.

Determine whether $505$ is divisible by $2$.

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

The next prime number is $3$.

Determine whether $505$ is divisible by $3$.

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

The next prime number is $5$.

Determine whether $505$ is divisible by $5$.

It is divisible, thus, divide $505$ by ${\color{green}5}$: $\frac{505}{5} = {\color{red}101}$.

The prime number ${\color{green}101}$ has no other factors then $1$ and ${\color{green}101}$: $\frac{101}{101} = {\color{red}1}$.

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: $1010 = 2 \cdot 5 \cdot 101$.

The prime factorization is $1010 = 2 \cdot 5 \cdot 101$A.