Q: What are the prime factors of the number 16,825,865?

 A: 5, 7, 9811

Why are those the prime factors of the number 16,825,865?

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 16,825,865

16,825,865
Factor Arrows
53,365,173
Factor Arrows
7480,739
Factor Arrows
768,677
Factor Arrows
79,811

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:

5, 7, 9811

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 7 x 9,811 = 16,825,865

This can also be written as 51 x 73 x 9,8111 = 16,825,865

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 16,825,865:


Ask a Question