Q: What are the prime factors of the number 395,016?

 A: 2, 3, 109, 151

Why are those the prime factors of the number 395,016?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 395,016

395,016
Factor Arrows
2197,508
Factor Arrows
298,754
Factor Arrows
249,377
Factor Arrows
316,459
Factor Arrows
109151

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 109, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 109 x 151 = 395,016

This can also be written as 23 x 31 x 1091 x 1511 = 395,016

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 395,016:


Ask a Question