Prime factorization of $$$3185$$$

The calculator will find the prime factorization of $$$3185$$$, with steps shown.

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Your Input

Find the prime factorization of $$$3185$$$.

Solution

Start with the number $$$2$$$.

Determine whether $$$3185$$$ is divisible by $$$2$$$.

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

The next prime number is $$$3$$$.

Determine whether $$$3185$$$ is divisible by $$$3$$$.

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

The next prime number is $$$5$$$.

Determine whether $$$3185$$$ is divisible by $$$5$$$.

It is divisible, thus, divide $$$3185$$$ by $$${\color{green}5}$$$: $$$\frac{3185}{5} = {\color{red}637}$$$.

Determine whether $$$637$$$ is divisible by $$$5$$$.

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

The next prime number is $$$7$$$.

Determine whether $$$637$$$ is divisible by $$$7$$$.

It is divisible, thus, divide $$$637$$$ by $$${\color{green}7}$$$: $$$\frac{637}{7} = {\color{red}91}$$$.

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: $$$3185 = 5 \cdot 7^{2} \cdot 13$$$.

Answer

The prime factorization is $$$3185 = 5 \cdot 7^{2} \cdot 13$$$A.