Prime Factors Calculator

In math, prime factorization is the method of finding the prime numbers that can be multiplied together to get the given number.

Here is an example:

Find prime factors of 16


Let's start from smallest prime number 2 and it is also possible to divide 16 by 2. Hence we'll do the same:

16/2 = 8

Similarly, try to divide 8 by 2 = 8/2 = 4

And finally, 4/2 = 2

Therefore, the prime factors for 16 = 2 x 2 x 2 x 2 or 24

We can demonstrate the same in prime factorization tree as shown below:

Prime Factorization Tree

Use our below prime factorization calculator to find the prime factors of any number. Enter the numeral and click "Find Prime Factors" button to find the answer. If you need the repeated factors in exponents, click check box and then click find prime factors button to get the output.

Enter Number:
Show repeated factors as p ^ k
Prime Factors:

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