Q: What are the prime factors of the number 878,336?

 A: 2, 47, 73

Why are those the prime factors of the number 878,336?

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 878,336

878,336
Factor Arrows
2439,168
Factor Arrows
2219,584
Factor Arrows
2109,792
Factor Arrows
254,896
Factor Arrows
227,448
Factor Arrows
213,724
Factor Arrows
26,862
Factor Arrows
23,431
Factor Arrows
4773

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, 47, 73

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 2 x 2 x 47 x 73 = 878,336

This can also be written as 28 x 471 x 731 = 878,336

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 878,336:


Ask a Question