# Prime factorization of $3926$

The calculator will find the prime factorization of $3926$, with steps shown.

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Find the prime factorization of $3926$.

### Solution

Start with the number $2$.

Determine whether $3926$ is divisible by $2$.

It is divisible, thus, divide $3926$ by ${\color{green}2}$: $\frac{3926}{2} = {\color{red}1963}$.

Determine whether $1963$ is divisible by $2$.

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

The next prime number is $3$.

Determine whether $1963$ is divisible by $3$.

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

The next prime number is $5$.

Determine whether $1963$ is divisible by $5$.

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

The next prime number is $7$.

Determine whether $1963$ is divisible by $7$.

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

The next prime number is $11$.

Determine whether $1963$ is divisible by $11$.

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

The next prime number is $13$.

Determine whether $1963$ is divisible by $13$.

It is divisible, thus, divide $1963$ by ${\color{green}13}$: $\frac{1963}{13} = {\color{red}151}$.

The prime number ${\color{green}151}$ has no other factors then $1$ and ${\color{green}151}$: $\frac{151}{151} = {\color{red}1}$.

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: $3926 = 2 \cdot 13 \cdot 151$.

The prime factorization is $3926 = 2 \cdot 13 \cdot 151$A.