Q: What are the prime factors of the number 878,912?

 A: 2, 31, 443

Why are those the prime factors of the number 878,912?

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 878,912

878,912
Factor Arrows
2439,456
Factor Arrows
2219,728
Factor Arrows
2109,864
Factor Arrows
254,932
Factor Arrows
227,466
Factor Arrows
213,733
Factor Arrows
31443

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, 31, 443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 31 x 443 = 878,912

This can also be written as 26 x 311 x 4431 = 878,912

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 878,912:


Ask a Question